Search Results: "NASA"
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05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy
962 views / 0 likes - addedMuch has been made of the distinction between "that" and "which" in English, but it can mostly be summed up in two points: 1. "That" doesn't work so well with commas. 2. "Which" doesn't work so well with people. David the Grammarian explains. Watch the ne
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03:45 Popular
Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy
1,009 views / 0 likes - addedWatch Sal work through a harder Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s5-easier?utm_source=YT&utm_medium=Desc&utm_campai
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03:52 Popular
Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy
865 views / 0 likes - addedWatch Sal work through a basic Angles, arc lengths, and trig functions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s4-harder?utm_source=YT&utm_medium=Desc&utm_campaig
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02:58 Popular
Nonlinear Equation Graphs — Harder Example | Math | New SAT | Khan Academy
1,246 views / 0 likes - addedWatch Sal work through a harder Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
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02:01 Popular
Radicals And Rational Exponents — Basic Example | Math | New SAT | Khan Academy
1,479 views / 0 likes - addedWatch Sal work through a basic Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-harder?utm_source=YT&utm_medium=Desc&utm_campaign
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02:22 Popular
Nonlinear Equation Graphs — Basic Example | Math | New SAT | Khan Academy
748 views / 0 likes - addedWatch Sal work through a basic Nonlinear equation graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
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01:15 Popular
Polynomial Factors And Graphs — Harder Example | Math | New SAT | Khan Academy
1,297 views / 0 likes - addedWatch Sal work through a harder Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p12-easier?utm_source=YT&utm_medium=Desc&utm_campaign
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01:36 Popular
Polynomial Factors And Graphs — Basic Example | Math | New SAT | Khan Academy
1,062 views / 0 likes - addedWatch Sal work through a basic Polynomial factors and graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p11-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
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03:13 Popular
Interpreting Nonlinear Expressions — Harder Example | Math | New SAT | Khan Academy
816 views / 0 likes - addedWatch Sal work through a harder Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-easier?utm_source=YT&utm_medium=Desc&utm_camp
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05:55 Popular
Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy
1,844 views / 1 likes - addedWatch Sal work through a basic Interpreting nonlinear expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-harder?utm_source=YT&utm_medium=Desc&utm_camp
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03:06 Popular
Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy
1,295 views / 0 likes - addedWatch Sal work through a harder Operations with rational expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p6-easier?utm_source=YT&utm_medium=Desc&utm_ca
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03:22
Linear And Quadratic Systems — Harder Example | Math | New SAT | Khan Academy
647 views / 0 likes - addedWatch Sal work through a harder Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
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04:50 Popular
Linear And Quadratic Systems — Basic Example | Math | New SAT | Khan Academy
797 views / 0 likes - addedWatch Sal work through a basic Linear and quadratic systems problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=Ne
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04:34 Popular
Radical And Rational Equations — Harder Example | Math | New SAT | Khan Academy
1,070 views / 0 likes - addedWatch Sal work through a harder Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p9-easier?utm_source=YT&utm_medium=Desc&utm_campaign
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01:22 Popular
Radical And Rational Equations — Basic Example | Math | New SAT | Khan Academy
856 views / 0 likes - addedWatch Sal work through a basic Radical and rational equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
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05:39 Popular
Solving Quadratic Equations — Harder Example | Math | New SAT | Khan Academy
826 views / 0 likes - addedWatch Sal work through a harder Solving quadratic equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p10-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
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02:33 Popular
Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy
1,546 views / 0 likes - addedWatch Sal work through a harder Radicals and rational exponents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p7-easier?utm_source=YT&utm_medium=Desc&utm_campaig
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09:40 Popular
Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy
993 views / 0 likes - addedWatch Sal work through a harder Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
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03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy
2,546 views / 0 likes - addedWatch Sal work through a basic Quadratic and exponential word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
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05:57 Popular
Phrases and clauses | Syntax | Khan Academy
1,455 views / 0 likes - addedA phrase is any collection of words that behaves like a part of speech, like a noun phrase (“my brother Stu”), an adjectival phrase (“in a different shade of blue”), or an adverbial phrase (“with elegance and tact”). A clause is any noun phrase plus a ver
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03:37 Popular
Scatterplots — Harder Example | Math | New SAT | Khan Academy
1,313 views / 0 likes - addedWatch Sal work through a harder Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q5-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
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04:34 Popular
Scatterplots — Basic Example | Math | New SAT | Khan Academy
1,596 views / 0 likes - addedWatch Sal work through a basic Scatterplots problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
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05:03 Popular
Units — Harder Example | Math | New SAT | Khan Academy
796 views / 0 likes - addedWatch Sal work through a harder Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previo
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03:00 Popular
Units — Basic Example | Math | New SAT | Khan Academy
808 views / 0 likes - addedWatch Sal work through a basic Units problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
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01:45 Popular
Percents — Harder Example | Math | New SAT | Khan Academy
742 views / 0 likes - addedWatch Sal work through a harder Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pre
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03:14
Percents — Basic Example | Math | New SAT | Khan Academy
692 views / 0 likes - addedWatch Sal work through a basic Percents problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
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08:12
Where On Earth Do You Weigh The Most?
692 views / 0 likes - addedYou can learn more at https://curiositystream.com/smart SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ You may have heard that a kilogram of feathers weighs the same as a kilogram of steel, but that all
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11:47 Popular
Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy
1,140 views / 0 likes - addedIntroduction to bond enthalpy, and how to use bond enthalpies to calculate enthalpy of reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/enthalpy-chemistry-sal/v/2015-ap-chemistry-free-response-7?utm_s
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07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy
2,333 views / 0 likes - addedWatch Sal work through a harder Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p3-easier?utm_source=YT&utm_medi
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03:42 Popular
Manipulating Quadratic And Exponential Expressions — Basic Example | Math | New SAT | Khan Academy
1,045 views / 0 likes - addedWatch Sal work through a basic Manipulating quadratic and exponential expressions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p2-harder?utm_source=YT&utm_mediu
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06:44 Popular
GIANT LEGO Brickman Awesome Sydney Family Fun Children Activities Kids video Evren ToysReview
863 views / 3 likes - addedGIANT LEGO Brickman Awesome Sydney Family Fun Children Activities Kid Video Evren ToysReview. Evren and her family had a great family fun time in Ryan McNaught's LEGO Brickman's AWESOME exhibition held in Sydney International Convention Centre in Darling
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05:27
What Happens to the Human Body in Space?
254 views / 0 likes - addedIn the largest study of its kind, scientists are coming closer to understanding exactly how space affects the human body. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.
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06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy
916 views / 0 likes - addedExample problem showing how to find the rate constant k from the half-life of a first order reaction. Watch the next lesson: https://www.khanacademy.org/science/chemistry/chem-kinetics/copy-of-kinetics/v/second-order-reaction-with-calculus?utm_source=YT&u
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08:45
Mercury Rising: America's First Steps Into Space
612 views / 1 likes - addedIn 1959, Project Mercury became the United States' maiden space programme. This is the story of that programme, told through beautiful archive footage. Visit http://rigb.org/advent for your daily instalment in the Ri advent calendar, A Place Called Space.
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04:28 Popular
Data Inferences — Harder Example | Math | New SAT | Khan Academy
743 views / 1 likes - addedWatch Sal work through a harder Data inferences problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q9-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed
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03:32 Popular
Data Inferences — Basic Example | Math | New SAT | Khan Academy
1,379 views / 0 likes - addedWatch Sal work through a basic Data inferences problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q8-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed t
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02:01 Popular
Table Data — Harder Example | Math | New SAT | Khan Academy
835 views / 0 likes - addedWatch Sal work through a harder Table data problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q4-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the p
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01:22 Popular
Table Data — Basic Example | Math | New SAT | Khan Academy
1,020 views / 0 likes - addedWatch Sal work through a basic Table data problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q7-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the pr
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01:26
Introduction to verbs | The parts of speech | Grammar | Khan Academy
609 views / 0 likes - addedLet's explore what verbs are, and what they do! David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/identifying-verbs?utm_source=YT&utm_medium
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04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy
986 views / 0 likes - addedCoordinating conjunctions connect parts of sentences to each other. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/meet-the-conjunction?utm_source=YT&utm_me
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07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy
1,082 views / 0 likes - addedWorked example calculating the change in internal energy for a gas using the first law of thermodynamics. Watch the next lesson: https://www.khanacademy.org/science/chemistry/thermodynamics-chemistry/internal-energy-sal/v/specific-heat-and-latent-leat-of-
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07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy
823 views / 0 likes - addedHow the Henderson-Hasselbalch equation can be used to look at the ratio of conjugate acid and base using relationship between buffer pH and pKa. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acid-base-equilibrium/buffer-solutions/v/
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04:22 Popular
Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy
920 views / 0 likes - addedWatch Sal work through a harder Ratios, rates, and proportions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q2-easier?utm_source=YT&utm_medium=Desc&utm_campaign
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05:18 Popular
Linear And Exponential Growth — Harder Example | Math | New SAT | Khan Academy
854 views / 0 likes - addedWatch Sal work through a harder Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q8-easier?utm_source=YT&utm_medium=Desc&utm_campaign=
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02:28 Popular
Linear And Exponential Growth — Basic Example | Math | New SAT | Khan Academy
1,130 views / 0 likes - addedWatch Sal work through a basic Linear and exponential growth problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q6-harder?utm_source=YT&utm_medium=Desc&utm_campaign=N
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03:27 Popular
Key Features Of Graphs — Harder Example | Math | New SAT | Khan Academy
725 views / 0 likes - addedWatch Sal work through a harder Key features of graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT
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03:22 Popular
Key Features Of Graphs — Basic Example | Math | New SAT | Khan Academy
1,084 views / 0 likes - addedWatch Sal work through a basic Key features of graphs problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q5-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
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04:00 Popular
Data Collection And Conclusions — Basic Example | Math | New SAT | Khan Academy
2,430 views / 0 likes - addedWatch Sal work through a basic Data collections and conclusions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q10-harder?utm_source=YT&utm_medium=Desc&utm_campai
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02:16 Popular
Center, Spread, And Shape Of Distributions — Harder Example | Math | New SAT | Khan Academy
1,326 views / 0 likes - addedWatch Sal work through a harder Center, spread, and shape of distributions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-problem-solving-data-analysis/v/sat-math-q10-easier?utm_source=YT&utm_medium=Desc
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03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy
897 views / 1 likes - addedDavid and Paige introduce you to the superhero of the punctuation world: the comma! Practice this yourself on Khan Academy right now: . Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/
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00:46
Why did dinosaurs go extinct? | SciShow Kids
83 views / 0 likes - addedHosted by: Jessi Knudsen Castaeda (she/her/they/them)JD Voyek: WriterKeren Turton: Fact CheckerStefan Chin: EditorJosef "Tuna" Metesh: Sound DesignerFaith Evelyn Schmidt: Associate ProducerDaniel Comiskey: Editorial DirectorSarah Suta: ProducerNicole Swee
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03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy
1,156 views / 1 likes - added“Today we’re going to talk about using commas in dialogue,” said David and Paige, KA’s resident grammarians. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-in-dialogue?utm_so
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04:47
Who versus whom | The parts of speech | Grammar | Khan Academy
588 views / 0 likes - addedWhen do you use who, and when do you use whom? David, KA's grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/relative-pronouns?utm_source=YT&utm_medium=Desc&u
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02:16
Why Does Popcorn Pop?
522 views / 0 likes - added→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 →How "Dick" came to be short for 'Richard': https://youtu.be/BH1NAwwKtcg?list=PLR0XuDegDqP2Acy6g9Ta7hzC0Rr3RDS6q Never run out of things to say at the wate
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03:00
Appositives | Punctuation | Grammar | Khan Academy
621 views / 0 likes - addedDavid and Paige, KA’s resident grammarians, cover appositives and how to use commas along with them. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/appositives?utm_source=YT&utm_med
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03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy
644 views / 0 likes - addedLet's meet the personal pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/meet-the-personal-pronoun?utm_source=YT&utm_medium=Desc&utm_campaign=grammar Watch the next less
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03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy
997 views / 0 likes - addedCorrelative conjunctions work in pairs to connect parts of sentences. David teaches you how they do it! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/correlative-conjuntions?u
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05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy
1,201 views / 0 likes - addedSubordinating conjunctions join two parts of complex sentences––independent clauses to dependent clauses. David explains how. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/conjunctions/e/coo
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01:51
Punctuating a list | Punctuation | Grammar | Khan Academy
577 views / 0 likes - addedLearn how to use commas to punctuate a written list of people, things, actions, or events. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/punctuating-lists?utm_source=YT&utm_medium=
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07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy
1,141 views / 0 likes - addedWhere did the word "Algebra" and its underlying ideas come from? Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/abstract-ness?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Algebra I on Kha
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02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy
1,024 views / 0 likes - addedSome irregular verbs just won't be categorized. They don't fit into neat little boxes. These are those verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs/e/intro-to-irregular
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05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy
569 views / 0 likes - addedA worked example using reaction quotient Q to predict how concentrations will shift so the reaction can get to equilibrium. Watch the next lesson: https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/acids-and-bases/v/arrhenius-definition-o
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05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy
1,126 views / 0 likes - addedDavid, Khan Academy's Grammar Fellow, covers three nifty features of indefinite pronouns, which are pronouns that are just a little vague, y'know? Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspee
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How trees inspired a new way to dispose of human waste
146 views / 0 likes - addedchange:WATER Labs (cWL) has developed a new way to dispose of human waste - by evaporating out the water! This technology emerged from work done for NASA on wastewater recycling on the International Space Station, and is now being deployed in off-grid rur
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02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy
1,142 views / 0 likes - addedWe've established that verbs can show actions and link ideas together. Now, let's talk about how some verbs can be used to help other verbs. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/gra
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03:41 Popular
Are We Sabotaging Our Search For Life On Mars?
773 views / 0 likes - addedSomething on Mars has the same DNA as life on Earth: bacteria! How does this happen and why is it a bad thing? There’s Water On Mars! Here’s Everything You Need to Know ►►►►http://dne.ws/1MVmzQf Follow Ian on Twitter ►►►►http://dne.ws/1Gky8PQ Read More: C
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02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy
531 views / 0 likes - addedWe use the perfect progressive aspect to talk about an action that was once ongoing, but has since completed, like "I had been waiting for twenty minutes." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/pa
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02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy
885 views / 0 likes - addedSometimes we use reflexive pronouns like "myself" and "ourselves" for emphasis in a sentence, like, "If you won't help me, then I'll do it myself!" KA's Grammar Fellow, David, explains this usage. Practice this yourself on Khan Academy right now: https://
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05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy
1,273 views / 0 likes - addedWatch the next lesson: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/World-of-exponents/v/exponents-warmup?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/pre-algebra/app
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02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy
1,063 views / 0 likes - addedPronouns are words that can replace nouns, like the way "it" replaces "elephant" in "I looked at the elephant. It was grey." Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/the-pronoun/e/the-q
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05:29
How Eyes Evolved to See the World Differently
623 views / 0 likes - addedThis NASA Mission Uses Cold War Planes To Map The World's Largest Island https://www.youtube.com/watch?v=oiQq9kWhGxI&t=114s Subscribe! https://www.youtube.com/user/DNewsChannel Special thanks to the Comparative Ocular Pathology Lab in Wisconsin https://ww
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07:17
Meet Australia | SciShow Kids
76 views / 0 likes - addedTeachers and parents: scroll down to check out the Next Generation Science Standards (NGSS) for this episode!Squeaks has been learning about the platypus and now he wants to learn more about where they come from. Join us as Jessi and Squeaks explore the w
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03:14
The irregular verb gets taken for a ride | Grammar | Khan Academy
579 views / 0 likes - addedThis group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs
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04:54
The Brown Dwarf Debate
412 views / 0 likes - addedThanks to NASA's James Webb Space Telescope (JWST) project and the Space Telescope Science Institute for supporting this video. This video is about the line between Brown dwarfs and gas giant planets (aka super Jupiter's): does it exist? Is it the deuteri
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02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy
516 views / 0 likes - addedIf verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
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01:32
Simple Aspect | The parts of speech | Grammar | Khan Academy
599 views / 0 likes - addedIf verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
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05:10 Popular
Reflexive pronouns | The parts of speech | Grammar | Khan Academy
1,080 views / 0 likes - addedWe use reflexive pronouns (like "herself" and "ourselves") when the subject and the object of a sentence are the same thing. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/gra
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07:45
How Close Are We to Photographing a Black Hole?
621 views / 1 likes - addedWhat does a black hole look like? No one knows for sure. Artists make their images based on what physicists think they look like. But that could be about to change. This Is Not What Space Looks Like - https://youtu.be/N5rZ9E72zbI Read More: Scientists Won
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03:40
What Are Airplane Chemtrails, Really?
424 views / 0 likes - addedSome think the trails behind planes have mind-altering chemicals, but do they really? Here's the difference between chemtrails & contrails. Why Do So Many People Believe In Conspiracy Theories? - http://bit.ly/2a6VFGT Sign Up For The Seeker Newsletter Her
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05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy
860 views / 0 likes - addedThe difference between something being singular or plural is what we call 'grammatical number' in English. Here's how that idea applies to pronouns! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofsp
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08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy
1,776 views / 0 likes - addedMultiplying and dividing negative numbers Watch the next lesson: https://www.khanacademy.org/math/arithmetic/absolute-value/abs_value_tutorial/v/absolute-value-and-number-lines?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous less
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07:43 Popular
Basic Addition | Addition And Subtraction | Arithmetic | Khan Academy
1,279 views / 1 likes - addedIntroduction to addition. Multiple visual ways to represent addition. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/addition-subtraction/basic_addition/e/addition_1?utm_source=YT&utm_medium=Desc&ut
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05:34
Subject and object pronouns | The parts of speech | Grammar | Khan Academy
525 views / 0 likes - addedBefore we get any further with pronouns, let's cover what the difference between a subject and an object pronoun is, because the distinction between those two concepts will start coming up a good deal. Practice this yourself on Khan Academy right now: htt
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01:48
Cosmic Dust Is Everywhere, and There Might Be Some on You!
556 views / 0 likes - addedNearly 60 tons of cosmic dust falls on Earth every single day, but where does it come from? Watch Space Crafts here https://www.youtube.com/watch?v=TZEn4Y3_GLo&list=PL6uC-XGZC7X5njHSL2Wt_PQ0EGqab6_9g&index=4 Subscribe now! http://www.youtube.com/subscript
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03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy
1,179 views / 0 likes - addedThis group of irregular verbs have vowel sounds that change in a predictable way, when they go from the present to the past tense. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/partsofspeech/grammar-verbs
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09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy
1,817 views / 0 likes - addedMetric unit conversion Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/metric-system-tutorial/v/converting-within-the-metric-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? http
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04:35
Commas and introductory elements | Punctuation | Grammar | Khan Academy
519 views / 0 likes - addedIn English, you use commas to separate introductory elements from the rest of a sentence. Find out how with David and Paige! Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/punctuation/the-comma/e/commas-an
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03:54
Could the Goblin Planet Finally Unravel the Mystery of Planet 9?
606 views / 1 likes - addedPlanet 9 hunters are searching the edge of our solar system for this mysterious world, and a tiny dwarf planet may finally lead to its discovery. Watch More Space Crafts! | https://bit.ly/2UiQloP Read More: Why Can’t We Find Planet Nine? https://www.quant
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04:45 Popular
Pareidolia: Why People Keep Seeing Crazy Stuff On Mars
768 views / 0 likes - addedWhy do people supposedly see a woman in pictures sent from Mars by the Curiosity Rover? For the same reason that people see Pepe the Frog in their toast, or Jesus in a tortilla: a phenomenon known as pareidolia. Hosted by: Hank Green ---------- Messages F
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04:31
Ghost Particles Erupting from Antarctica Could Shatter Standard Physics
304 views / 0 likes - addedUltra-high-energy neutrinos are hitting Antarctica, so what experiments are working to discover the particles? Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.seeker.comT
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04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy
1,457 views / 0 likes - addedThere's a class of helper verbs known as modals that we use to express a bunch of conditions: we can use them to give advice, make guesses at how necessary or likely something is, make requests of people, and so on. They're super useful. Practice this you
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04:46 Popular
Astronauts left poop on the moon. We should go get it.
785 views / 1 likes - addedWhat astronaut diapers can teach us about the origins of life.Try Dashlane free here: http://www.dashlane.com/voxGet 10% off now with my promo code: VOXBecome a Video Lab member! http://bit.ly/video-labWe released a members-only extra from this video, whe
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02:31
Perfect Aspect | The parts of speech | Grammar | Khan Academy
681 views / 0 likes - addedIf verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
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04:39 Popular
Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy
860 views / 0 likes - addedThere's this idea in grammar called grammatical person that helps describe who's being talked about in a sentence. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/parts
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03:25 Popular
Can Anything Escape A Black Hole?
1,209 views / 4 likes - addedBlack holes are known for having such an intense gravitational force that nothing can escape it, but if something could escape what would it be? What Happens Inside A Black Hole? ►►►► http://bit.ly/1vALvmg Sign Up For The TestTube Newsletter Here ►►►► htt
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02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,025 views / 0 likes - addedWatch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/
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01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy
566 views / 0 likes - addedIf verb tense allows you to control the past, the present, and the future, then aspect gives you even finer control over time. David, Khan Academy's resident grammarian, explains. Practice this yourself on Khan Academy right now: https://www.khanacademy.o
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08:22
Skywalker Hand, Planet Discovery and more -- Mind Blow #115
397 views / 0 likes - addedWatch my newest video, "The Game You Win By Losing (Parrondo's Paradox)": https://youtu.be/PpvboBJEozMGet a free audiobook with a 30-day trial today by signing up. Go to http://www.audible.com/vsauce2 or text Vsauce2 to 500-500 to get started.This video s
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13:58
Crew Dragon Launch Day Timeline: From Suit up to Docking with the ISS
360 views / 0 likes - addedNASA has a new ride to the International Space Station for its astronauts and it's SpaceX’s Crew Dragon Capsule. So I wanted to give you a super quick rundown of the exact timing of the events a crew heading to the ISS will go through on launch day.
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07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,086 views / 0 likes - addedWatch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math
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03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy
1,719 views / 0 likes - addedThe simple idea that a number plus its negative is 0 Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/order-of-operations/arithmetic_properties/v/inverse-property-of-multiplication?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra M
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10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy
606 views / 0 likes - addedWatch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/hexadecimal-number-system?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.
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07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy
1,239 views / 0 likes - addedDescribes the two main situations where you get a buffer: making a buffer for a specific pH by combining a weak acid and a salt containing the conjugate base, and using a neutralization reaction by combining a weak acid and a strong base. Watch the next l
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01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy
791 views / 0 likes - addedAn understanding of verb tense will make you into a TIME WIZARD, with the ability to control the past, the present, and the future – with your words, anyway. Practice this yourself on Khan Academy right now: https://www.khanacademy.org/humanities/grammar/
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03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy
1,422 views / 0 likes - addedWatch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/binary-addition?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanacademy.org/math/p
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03:52 Popular
Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,503 views / 0 likes - addedWatch the next lesson: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/alternate-number-bases/v/large-number-decimal-to-binary?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the previous lesson? https://www.khanaca
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13:11
Will The Universe Expand Forever? | Space Time | PBS Digital Studios
591 views / 0 likes - addedWill the Universe continue to expand outward or will it succumb to gravity and collapse upon itself? Find out in this episode of Space Time. Help us win a Webby Award by voting here: https://pv.webbyawards.com/2016/online-film-video/video-channels-and-net
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03:44 Popular
Einstein’s Brain Was Stolen and Chopped Up Into Tiny Pieces...For Science?!
728 views / 0 likes - addedOver 60 years ago, Einstein's brain was stolen, preserved, dissected and sent in pieces across the country. Who was behind this theft for science? How NASA Engineers Use Origami To Design Future Spacecraft https://www.youtube.com/watch?v=jWoQhf6lBV0 Subsc
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06:10
The journey to Pluto, the farthest world ever explored - Alan Stern
551 views / 2 likes - addedCheck out Alan Stern's "Chasing New Horizons": https://shop.ed.ted.com/collections/ted-ed-book-recommendations/products/chasing-new-horizons View full lesson: https://ed.ted.com/lessons/the-journey-to-pluto-the-farthest-world-ever-explored-alan-stern As o
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06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy
876 views / 0 likes - addedWe'll use algebra to solve this percent problem. Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-word-probs-pre-alg/v/solving-percent-problems-2?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Missed the
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01:53
The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy
566 views / 1 likes - addedThese are the most regular of the irregular verbs; while they don't behave exactly like regular verbs, like present tense "walk" become past tense "walked", they do maintain the "-ed" sound. It's just spelled differently. Practice this yourself on Khan Ac
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04:43
Subject, direct object, and indirect object | Syntax | Khan Academy
652 views / 0 likes - addedA subject is the noun phrase that drives the action of a sentence; in the sentence “Jake ate cereal,” Jake is the subject. The direct object is the thing that the subject acts upon, so in that last sentence, “cereal” is the direct object; it’s the thing J
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03:29
Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy
561 views / 0 likes - addedWords like "walk" and "look" are regular verbs – they behave in a predictable way. But there's a whole class of words in English, called irregular verbs, that are harder to predict. David, KA's Grammar Fellow, explains. Practice this yourself on Khan Acad
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00:37
WASP-121b: The Planet With an Atmosphere of Glowing Water (4K 360 view) | We The Curious
400 views / 0 likes - addedThis 360 animation depicts planet WASP-121b; an exoplanet with an atmosphere of glowing water. It completes one full journey around its star every 1.3 days - this animation shows this orbit at x5000 speed.With an atmosphere hot enough to boil iron, WASP-1
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04:52
Possessive pronouns | The parts of speech | Grammar | Khan Academy
661 views / 0 likes - addedWe can use pronouns to show possession relationships, describing what things belong to which people, like "her shoe" or "the book is mine." Possessive pronouns come in two flavors: adjective and noun! David, KA's resident grammarian, covers the difference
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03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,758 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.kh
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03:25
How Do Trees Extract CO2?
256 views / 0 likes - addedHow exactly do trees extract CO2 from the atmosphere? And in general, how do they fight climate change?#TeamTrees We know that one way to combat climate change is by planting trees. But why? Let's explore the mechanism by which trees fight climate change!
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05:34
Growing Plants Without Soil! | Squeaks Grows a Garden! | SciShow Kids
125 views / 0 likes - addedTeachers and parents: scroll down to check out the Next Generation Science Standards (NGSS) for this episode!Today, Squeaks and Mister Brown explore the world of plants with an experiment! They'll learn what plants actually need to grow, which can help th
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09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy
2,152 views / 0 likes - addedMysterious negative numbers! What ARE they? They are numbers less than zero. If you understand the nature of below zero temperatures, you can understand negative numbers. We'll help. Practice this lesson yourself on KhanAcademy.org right now: https://www.
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10:22
Can You See Me?
436 views / 0 likes - addedSubscribe to iDubbbzTV: http://youtube.com/idubbbztv Check out DONG: https://youtu.be/yPvyrPcJisg Get The Curiosity Box: http://curiositybox.com twitter: http://twitter.com/jakerawr instagram: http://instagram.com/jakerawr facebook: http://facebook.com/vs
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04:56
This Gamma-Ray Burst Was the Most Powerful Energy Event Ever Recorded
391 views / 0 likes - addedThis cataclysmic event just generated the brightest light in the known universe - and we detected it using MAGIC. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Elements! http://bit.ly/ElementsPlaylist Visit our shop at http://shop.seeker.c
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05:53
Never-Before-Seen Footage Uncovers Antarctica’s First Scientific Missions
489 views / 0 likes - addedDuring the Cold War, Antarctica was primed for conquest. Here’s how it became an international science laboratory. This NASA Mission Uses Cold War Planes to Map the World's Largest Island https://www.youtube.com/watch?v=oiQq9kWhGxI Subscribe! https://www.
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09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy
1,345 views / 0 likes - addedAdding and subtracting negative numbers Watch the next lesson: https://www.khanacademy.org/math/pre-algebra/negatives-absolute-value-pre-alg/mult-div-negatives-pre-alg/v/multiplying-positive-and-negative-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=
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02:52
Space Is Dangerous! Just Look at What It Does to Astronauts’ Brains…
575 views / 1 likes - addedWe’re learning about what space does to our bodies, but what about our brains? MRI scans of astronauts revealed some worrying results. What Does Radiation Poisoning Do to Your Body? - https://youtu.be/hhUuFCrDOlw Read More: Effects of Spaceflight on Astro
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13:21 Popular
Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy
1,812 views / 2 likes - addedIntroduction to multiplication Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/multiplication-division/multiplication_fun/e/multiplication_0.5?utm_source=YT&utm_medium=Desc&utm_campaign=Arithmetic Wa
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04:57
Irregular plural nouns | foreign plurals | The parts of speech | Grammar | Khan Academy
626 views / 0 likes - addedYou don't need to know how to speak Latin and Greek in order to understand English, but some words in English come from those languages. It's helpful to know how some Greek and Latin words change from singular to plural. Practice this yourself on Khan Aca
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03:48
What Is The Best Shape For A Farm?
85 views / 0 likes - addedThis video was made in partnership with Gates Ventures.The shape of a farm can tell you a surprising amount about the land it's on and the people that use it.LEARN MORE**************To learn more about this topic, start your googling with these keywords:
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12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy
1,155 views / 0 likes - addedMore scientific notation examples Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/scientific_notation?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra W
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15:21 Popular
What Physics Teachers Get Wrong About Tides! | Space Time | PBS Digital Studios
794 views / 0 likes - addedTweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: http://www.reddit.com/r/pbsspacetime We all know tides have something to do with gravity from the Moon and Sun, but if gravity af
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05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy
2,064 views / 0 likes - addedIntroduces the concept of equivalent fractions Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/equivalent-fractions-pre-alg/e/equivalent_fractions?utm_source=YT&utm_medium=Desc&utm
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03:21 Popular
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy
780 views / 0 likes - addedFind perimeter by adding side-lengths of various figures. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/perimeter/e/perimeter_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Wa
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00:56 Popular
Counting With Small Numbers | Counting | Early Math | Khan Academy
888 views / 0 likes - addedLearn how to count squirrels and horses. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-counting-topic/cc-early-math-counting/e/counting-out-1-20-objects?utm_source=YT&utm_medium=Desc&
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05:20 Popular
Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy
1,841 views / 0 likes - addedWork through another challenging order of operations example with only positive numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/order_of_operations/e/order_of_operations
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03:36 Popular
Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy
1,495 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/order-of-operations/rational-irrational-numbers/e/approximating-irrational-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex
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09:50 Popular
Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy
2,059 views / 1 likes - addedHow to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/fractions-unlike-denom-pre-alg/e/adding_fractions?utm_source=YT&utm_medium=Desc&utm_campaign=PreA
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07:00
Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy
633 views / 0 likes - addedThe general idea behind the word 'abstract' Watch the next lesson: https://www.khanacademy.org/math/algebra/introduction-to-algebra/overview_hist_alg/v/the-beauty-of-algebra?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI Missed the previous lesson? h
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02:45
ASTEROIDS Size Comparison 2
248 views / 1 likes - addedIn this second part of the asteroid comparison, some of the currently best known asteroids are shown, some comets and some fictitious ones.~ - Approximate - Error range*UM - Unreliable MeasureMUSIC: (YouTube Library) Chtulthu - Quincas MoreiraSOURCES:Arma
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03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy
1,358 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/understanding-fractions-pre-alg/e/fractions_on_the_number_line_1?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the nex
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04:51 Popular
Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy
1,262 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/cube-root-tutorial/e/cube_roots?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the next lesson: https://www.khanacadem
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04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy
868 views / 0 likes - addedSee examples of multiplying and dividing fractions with negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplying-fractions-pre-alg/e/multiplying_fractions?utm_
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02:42
Chemtrails
435 views / 0 likes - addedThis week Reactions is taking science to the skies and checking out the chemistry behind chemtrails, or more accurately, contrails. It’s easy to look at the white trail behind a jet aircraft and imagine all manner of chemicals raining down from above. How
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01:11 Popular
Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy
1,081 views / 0 likes - addedSubtracting decimals...up to the hundredths placement. Line up those decimals before you start. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/adding-decimals-pre-alg/e/subtracting
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39:01
Seeing The Universe Like We've Never Seen It Before
141 views / 0 likes - addedNow that the James Webb Space Telescope has released its first images, its time for the science programs to begin. We meet 5 scientists who will be using the telescope during its first cycle of operations looking at the earliest galaxies, red giant stars
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02:28 Popular
Drawing Line Of Reflection | Transformations | Geometry | Khan Academy
1,041 views / 0 likes - addedDrawing line of reflection Watch the next lesson: https://www.khanacademy.org/math/geometry/transformations/hs-geo-reflections/v/determining-the-line-of-reflection?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Missed the previous lesson? https://www
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04:57
The first movie with CGI
285 views / 0 likes - addedThe first CGI in movies was inspired by some of the first photos of Mars. This is how it worked.Almanac Hollywouldn't is our miniseries on big changes to movies that came from outside Hollywood. Watch all of the episodes right here on YouTube.Episode 2: h
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02:07 Popular
Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy
1,506 views / 0 likes - addedWe hope you're beginning to see that there's more than one way to skin a cat. In other words, there are several different ways to solve problems involving percentages, decimals, and fractions. Watch as find the percentage of a whole number. Watch the next
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05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy
1,371 views / 0 likes - addedLearn some rules of thumb for multiplying positive and negative numbers. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/arithmetic/absolute-value/mult_div_negatives/e/multiplying_and_dividing_negative_numbers?
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20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy
1,892 views / 0 likes - addedIntroduction to scientific notation. An in-depth discussion about why and how scientific notation is used. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/scientific-notation/e/sc
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06:29 Popular
Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy
1,377 views / 0 likes - addedWe want you to develop an intuition about how to work with decimals. Understanding how you can rewrite decimals by considering the place value will help you multiply! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/
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04:47
Buckyball: Tiny Carbon Soccer Balls
693 views / 0 likes - addedIn 1985, scientists discovered that 60 carbon atoms could join up to form one big soccer ball shape: a buckyball! It’s a strange little molecule. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make
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03:38 Popular
Math Patterns Example 1 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
710 views / 0 likes - addedPart of our exploration of math is learning to identify patterns among numbers. Can you see the pattern in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_mediu
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09:43 Popular
Exponent Rules Part 1 | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,576 views / 0 likes - addedIntroduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/exponent-properties/e/exponent_rules?utm_source=YT&utm_medium=Desc&utm_campaign=PreAlgebra Watch the
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02:39 Popular
Comparing Decimals: Ordering From Least To Greatest | Decimals | Pre-Algebra | Khan Academy
1,882 views / 0 likes - addedThis is a fun example where we reorder decimals from smallest to largest. You're looking for the place value that is the most significant, and then working backwards. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/
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03:03 Popular
Introduction To Exponents | Pre-Algebra | Khan Academy
1,499 views / 0 likes - addedTaking an exponent is basically the act of repeated multiplication. You know how to multiply, right? If so, understanding exponents is completely within your grasp! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/ma
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04:00 Popular
Finding Factors And Multiples | Factors And Multiples | Pre-Algebra | Khan Academy
1,627 views / 1 likes - addedTo find the factors of a number means to find all the whole numbers that the number in question is divisible by. Can you help us find the factors in this example? Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math
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05:41 Popular
Math Patterns Example 2 | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
703 views / 0 likes - addedWe continue to strengthen our skill in identifying patterns. This time we'll use a table to track the pattern. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/exercise/math-patterns?utm_source=YT&utm_medium=Desc&utm
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08:13 Popular
Prime Numbers | Factors And Multiples | Pre-Algebra | Khan Academy
1,159 views / 0 likes - addedWhat does it mean to be a prime number? Let's progress though some whole numbers and ask ourselves if they meet the criteria. What is the criteria you ask? Watch. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math
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09:23 Popular
Converting Fractions To Decimals | Decimals | Pre-Algebra | Khan Academy
2,071 views / 2 likes - addedHow to express a fraction as a decimal Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/decimal-to-fraction-pre-alg/e/converting_fractions_to_decimals?utm_source=YT&utm_medium=Desc&u
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09:45 Popular
Simplifying Radicals | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,515 views / 1 likes - addedUsing exponent rules to simplify radicals or square roots Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/radical-radicals/e/simplifying_radicals?utm_source=YT&utm_medium=Desc&utm
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14:13 Popular
Introduction To Ratios | Ratios, Proportions, Units, And Rates | Pre-Algebra | Khan Academy
1,893 views / 0 likes - addedWhat a ratio is. Simple ratio problems. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/ratio_word_problems?utm_source=YT&utm_medium=Desc&utm_campaign=PreAl
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04:25
How The 'Impossible Drive' Could Break Newton's Third Law
644 views / 0 likes - addedA device called the EM Drive appears to have the ability to break the Third Law of Physics. But does it even work? What Will Rockets Look Like In The Future? - https://youtu.be/fSm3LoZyjjI Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Rea
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09:15 Popular
Mixed Numbers And Improper Fractions | Fractions | Pre-Algebra | Khan Academy
1,735 views / 2 likes - addedConverting mixed numbers to improper fractions and improper fractions to mixed numbers Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/mixed-numbers-pre-alg/e/converting_mixed_numb
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04:17 Popular
Introduction To Area And Unit Squares | Measurement | Pre-Algebra | Khan Academy
1,536 views / 0 likes - addedCover figures with square units to find their area. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/measurement/area-basics/e/measuring-area-with-unit-squares?utm_source=YT&utm_medium=Desc&utm_campa
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03:50 Popular
Introduction To Multiplying Decimals | Decimals | Pre-Algebra | Khan Academy
1,165 views / 0 likes - addedMultiplying decimals can be confusing because there's always the question as to where the decimals goes in the answer. We're about to show you so you'll never have to question it again! Practice this lesson yourself on KhanAcademy.org right now: https://w
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09:30
How This Chalk Artist Creates Illusions on Pavement | Obsessed | WIRED
141 views / 0 likes - added"Everything we think is real is, in some way, an illusion." Former NASA illustrator Kurt Wenner makes incredible, brain-busting chalk illusions. His works start with diligent planning, beginning with pencil and paper. Kurt even prototypes by using an iPho
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04:20 Popular
Dividing A Whole Number By A Decimal | Decimals | Pre-Algebra | Khan Academy
1,696 views / 1 likes - addedWhen dividing a whole number by a decimal, you're going to need to change that decimal into a whole number. How? We'll show you. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/divi
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07:14 Popular
Negative Exponents | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy
1,563 views / 0 likes - addedHow does a negative exponent affect our answer? Before you assume that the answer must be negative, think again! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/exponents-radicals/negative-exponents
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05:42 Popular
Understanding Division Of Fractions | Fractions | Pre-Algebra | Khan Academy
1,203 views / 0 likes - addedUsing a number line, we'll explain the rule of "invert and multiply" when dividing two fractions. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/div-fractions-fractions-pre-alg/e/
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11:48 Popular
Who Owns The Moon?
858 views / 0 likes - added***NOTE*** This video was originally uploaded in 2013 but has been unavailable for more than a year! Basically, a channel I shouted-out in the first version asked to be removed. That's okay! Now, in a slightly re-edited version, the video is back! And spa
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09:29 Popular
Dividing Decimals With Hundredths Example 3 | Decimals | Pre-Algebra | Khan Academy
1,071 views / 0 likes - addedThe old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/dividing-d
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08:44
Faster Than Light Galaxies | HOW IS IT POSSIBLE?
288 views / 0 likes - addedI look at the galaxies that are moving away from us faster than light because of expanding space. Check out this video's sponsor https://brilliant.org/dosNinety seven percent of the galaxies in the observable universe are moving away from us faster than t
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05:33
Project Apollo: Shooting For The Moon
567 views / 1 likes - addedProject Apollo: the most famous space programme to date. In the final part of our trilogy exploring American’s first steps into space, we tell the tale of the Apollo program. Watch Project Gemini: https://youtu.be/rXTTXAJJkhc Watch Project Mercury: https:
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05:02 Popular
Positive And Negative Slope | Algebra I | Khan Academy
1,482 views / 0 likes - addedPositive and negative slope Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/slope/v/similar-triangles-to-prove-that-the-slope-is-constant-for-a-line?utm_source=YT&utm_medium=Desc&utm_campaign
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04:25 Popular
Multiplying Challenging Decimals | Decimals | Pre-Algebra | Khan Academy
955 views / 0 likes - addedSometimes multiplying really small decimals (with all those zeros!) can be a little intimidating. Watch as we show you a handy trick to simplify these problems and solve them. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanaca
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03:28 Popular
Inequality Word Problems | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,592 views / 0 likes - addedWe're writing inequalities by using information from the word problems. Woohoo! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writing-numeric
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06:14 Popular
How To Plot Inequalities On A Number Line | Pre-Algebra | Khan Academy
1,515 views / 0 likes - addedLearn how to graph an inequality on a number line to indicate which values make it true. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/greater-than-less-than/e/writin
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06:47 Popular
We’re Not Saying The Kepler Discovery Is Aliens, But…
719 views / 0 likes - addedThe Internet is abuzz with the possible discovery of an alien megastructure around a faraway star. Do actual scientists believe this theory? What Could Alien Life Really Look Like? ►►►► http://dne.ws/18iqEwc DNews Live Tickets Here ►►►► http://dne.ws/1Fa2
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03:55 Popular
Over 200 Bizarre, New Crystals Were Accidentally Created by Humans
866 views / 2 likes - addedThese new, manmade minerals could be evidence for the argument that we are living in the Anthropocene. When a River Goes Missing, It's Kind of a Big Deal... - https://youtu.be/s42dVrSoyQc Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read
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03:33 Popular
Finding A Percentage | Decimals | Pre-Algebra | Khan Academy
1,242 views / 0 likes - addedOnce again, fractions are our friends as we use them to find a percentage. You'll also see a couple of different ways to arrive at the answer. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimal
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06:56 Popular
Exponents And Powers Of Zero Patterns | Pre-Algebra | Khan Academy
1,104 views / 0 likes - addedNow that we understand how to interpret an exponent and how the patterns in zeros are related to the exponent, we can solve more complicated problems! Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra
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10:35 Popular
Where Do Deleted Files Go?
736 views / 0 likes - addedFollow Michael Stevens for neat things every day! http://www.Twitter.com/tweetsauce LINKS AND SOURCES BELOW MUSIC BY: http://www.YouTube.com/JakeChudnow final song is "Midnight Sound" by Gareth Johnson / David O'Brien from: http://www.audionetwork.com Los
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00:52 Popular
Reading Bar Charts: Basic Example | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,365 views / 0 likes - addedLet's start with this bar chart that brings back the days of Harry Potter! Putting our toes in the water on this one... Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/
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05:05 Popular
Solving Ratio Problems With Tables Example 1 | Pre-Algebra | Khan Academy
872 views / 0 likes - addedWe're displaying ratios in a table format here, and then asking: given a ratio, solve for equivalent ratios. Here are a few examples to practice on. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/r
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04:31 Popular
Number Patterns: Interpreting Relationships | Pre-Algebra | Khan Academy
1,529 views / 0 likes - addedExamining the points on a number line and interpreting the patterns to discover the relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-topic/number-patterns/e/vis
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02:58
Monkeys For A Party | Place Value (tens And Hundreds) | Early Math | Khan Academy
697 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/cc-early-math-teens/e/teen-numbers-1?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath Watch the next lesson: https:
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03:08 Popular
Multiplying Unit Fractions And Whole Numbers | Fractions | Pre-Algebra | Khan Academy
1,655 views / 1 likes - addedDon't let multiplying whole numbers and fractions get you down. We got this. This explanation will help you become a pro. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/fractions-pre-alg/multiplyin
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04:16 Popular
Least Common Multiple Exercise | Factors And Multiples | Pre-Algebra | Khan Academy
1,131 views / 0 likes - addedWe're practicing finding the least common multiple in these example exercises. We'll teach you the prime factorization approach which is a pretty nifty way to find the lcm (least common multiple). Practice this lesson yourself on KhanAcademy.org right now
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07:08 Popular
Early Train Word Problem | Linear Equations | Algebra I | Khan Academy
869 views / 0 likes - addedFun word problem that is almost a brain teaser. Watch the next lesson: https://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/More-equation-practice/v/patterns-in-sequences-1?utm_source=YT&utm_medium=Desc&utm_campaign=AlgebraI
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01:34 Popular
Solving Ratio Problems With Graph | Pre-Algebra | Khan Academy
1,875 views / 0 likes - addedIn this example we'll plot points on the x and y axis to reflect the given ratios. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/rates-and-ratios/ratios_and_proportions/e/solving-ratio-problems-wi
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08:21 Popular
Two-variable Linear Equations And Their Graphs | Algebra I | Khan Academy
1,978 views / 0 likes - addedIntroduction to 2-variable linear equations and their graphs Watch the next lesson: https://www.khanacademy.org/math/algebra/two-var-linear-equations-and-intro-to-functions/solutions-to-two-var-linear-equations/v/checking-ordered-pair-solutions-to-equatio
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03:47
What Is the Shape of the Universe?
696 views / 0 likes - addedUnlike the Earth, the universe might actually be flat! But how do scientists know that, if we can’t observe it? Get 20% off http://www.domain.com domain names and web hosting when you use coupon code SEEKER at checkout! Read More: What is the Shape of the
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04:58 Popular
Comparing Fractions Of Different Wholes | Fractions | 3th Grade | Khan Academy
1,457 views / 0 likes - addedComparing fractions of different wholes Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/cc-third-grade-math/cc-3rd-fractions-topic/cc-3rd-different-wholes/e/naming-the-whole?utm_source=YT&utm_medium=Desc&utm_ca
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02:36 Popular
Converting Decimals To Percents | Decimals | Pre-Algebra | Khan Academy
1,467 views / 0 likes - addedNeed to convert a decimal to a percent? Ok, we'll just use our fraction friends to get us there. Watch and be amazed. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/decimals-pre-alg/percent-intro-p
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06:19
Who says women can't be doctors?! | Elizabeth Garrett Anderson | Maddie Moate
393 views / 0 likes - addedTo celebrate International Women's Day I decided to find out more about the UK's first female doctor, Elizabeth Garrett Anderson. Despite being a woman and facing a medical profession who believed she didn't belong there, Elizabeth became the first woman
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02:36 Popular
Number Patterns: Seeing Relationships | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,022 views / 0 likes - addedLaying the foundation for algebraic thinking by learning to recognize the relationships between patterns and graphing out those relationships. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applyin
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02:38 Popular
Adding 5 + 3 + 6 | Addition And Subtraction Within 20 | Early Math | Khan Academy
708 views / 0 likes - addedLearn how to add 5 + 3 + 6. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-add-sub-20/cc-early-math-add-20/e/adding-three-numbers?utm_source=YT&utm_medium=Desc&utm_campaign=EarlyMath W
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06:20 Popular
Greatest Common Factor Explained | Factors And Multiples | Pre-Algebra | Khan Academy
1,165 views / 0 likes - addedHere's a nice explanation of least common factor (or least common divisor) along with a few practice example exercises. Let's roll. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/factors-multiples/
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03:36 Popular
Was Einstein Wrong About The Speed Of Light?
1,147 views / 1 likes - addedThe speed of light is the cosmic speed limit and it can't been changed. Or can it? Here's What Parallel Universes Might Look Like (360 Video) - https://youtu.be/1xx3QjP089o Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Theory t
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01:37 Popular
Translation Example | Transformations | Geometry | Khan Academy
1,640 views / 0 likes - addedTranslation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-translations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campa
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01:55 Popular
Drawing Image Of Translation | Transformations | Geometry | Khan Academy
1,176 views / 0 likes - addedPractice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-translations/e/translations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://www.khanacademy.org
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02:27 Popular
Inequality Word Problem: One Variable | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy
1,032 views / 0 likes - addedThis time we're creating a variable to represent a number, and then writing an inequality. We're building on our knowledge. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/pre-algebra/applying-math-reasoning-to
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04:19 Popular
Place Value Example With 42 | Place Value (tens And Hundreds) | Early Math | Khan Academy
774 views / 0 likes - addedLearn to see 42 as 4 tens and 2 ones. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/early-math/cc-early-math-place-value-topic/cc-early-math-tens/e/groups-of-tens?utm_source=YT&utm_medium=Desc&utm_campaign=Ea
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01:25 Popular
Using Rotation Widget | Transformations | Geometry | Khan Academy
1,478 views / 0 likes - addedUsing rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai
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04:24 Popular
Example Of Subtracting Fractions With Unlike Denominators | Fractions | Pre-Algebra | Khan Academy
1,590 views / 0 likes - addedIf you conquered adding fractions with different denominators, then subtracting fractions will be a snap. Don't worry...we'll take it slow and explain every step. Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math
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