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03:06 Popular
Operations With Rational Expressions — Harder Example | Math | New SAT | Khan Academy

1,320 views / 0 likes - added 8 years ago

Watch 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
03:22
Linear And Quadratic Systems — Harder Example | Math | New SAT | Khan Academy

665 views / 0 likes - added 8 years ago

Watch 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
04:50 Popular
Linear And Quadratic Systems — Basic Example | Math | New SAT | Khan Academy

816 views / 0 likes - added 8 years ago

Watch 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
04:34 Popular
Radical And Rational Equations — Harder Example | Math | New SAT | Khan Academy

1,086 views / 0 likes - added 8 years ago

Watch 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
01:22 Popular
Radical And Rational Equations — Basic Example | Math | New SAT | Khan Academy

880 views / 0 likes - added 8 years ago

Watch 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=
05:39 Popular
Solving Quadratic Equations — Harder Example | Math | New SAT | Khan Academy

844 views / 0 likes - added 8 years ago

Watch 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
02:33 Popular
Radicals And Rational Exponents — Harder Example | Math | New SAT | Khan Academy

1,569 views / 0 likes - added 8 years ago

Watch 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
09:40 Popular
Quadratic And Exponential Word Problems — Harder Example | Math | New SAT | Khan Academy

1,023 views / 0 likes - added 8 years ago

Watch 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
03:30 Popular
Quadratic And Exponential Word Problems — Basic Example | Math | New SAT | Khan Academy

2,584 views / 0 likes - added 8 years ago

Watch 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=
06:45 Popular
Gummy Food Controller Candy for Kids Taste Test! Family Fun Lego Gummy Candy Review Ryan ToysReview

3,331 views / 13 likes - added 7 years ago

Gummy Food Controller Candy for Kids taste test with Ryan ToysReview! There are Game on Valentine Remote Control Gummy and we compare it to a real remote controller and prank daddy! Ryan melt the gummy and to make Lego Gummy and lego man. Thanks for joini
04:52
Once a Spawn a Time: Horseshoe Crabs Mob the Beach | Deep Look

178 views / 0 likes - added 2 years ago

Horseshoe crabs may look scary, but when it's springtime in Delaware Bay, millions of these arthropods show they're lovers, not fighters. They lay masses of blue-green eggs up on the shore. At just the right time, they pop and release the larvae within th
07:04 Popular
McDonald's: The Origins of a Fast Food Empire

996 views / 0 likes - added 7 years ago

Support us on Patreon to get early access to our future videos and to vote on which company we cover next: https://www.patreon.com/business_casual Join us at our subreddit and on social media: Reddit: https://reddit.com/r/businesscasual Facebook: https://
08:46
These Girl Ninjas BRING IT on the Course! | American Ninja Warrior Junior | Universal Kids

455 views / 1 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://linktr.ee/universalkids The top female Ninja Warriors face off against each other on the course!SUBSCRIBE: http://bit.ly/UniKids_YT_SubscribeWATCH ON TV: http://bit.ly/FindUniKids
24:38
Did you know pigeons were used as a type of aerial surveillance? | Nightly News: Kids Edition

76 views / 0 likes - added 1 year ago

With recent news stories about aerial surveillance balloons, we explain what it all means and why countries might be keeping an eye on each other. Canines for kids! Instead of medicine, this team of pups are prescribing a dose of comfort to kids in Georgi
05:02
We Play NINJA DODGEBALL! [Beckstrand Family Ninjas] | American Ninja Warrior Junior | Universal Kids

683 views / 0 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://bit.ly/UniKidsLinktree. The Beckstrand Family Ninjas have to go through their home ninja course without getting hit by flying dodgeballs! Who will last the longest?SUBSCRIBE: http
05:57 Popular
Phrases and clauses | Syntax | Khan Academy

1,523 views / 0 likes - added 6 years ago

A 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
03:37 Popular
Scatterplots — Harder Example | Math | New SAT | Khan Academy

1,330 views / 0 likes - added 8 years ago

Watch 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
04:34 Popular
Scatterplots — Basic Example | Math | New SAT | Khan Academy

1,616 views / 0 likes - added 8 years ago

Watch 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
05:03 Popular
Units — Harder Example | Math | New SAT | Khan Academy

814 views / 0 likes - added 8 years ago

Watch 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
03:00 Popular
Units — Basic Example | Math | New SAT | Khan Academy

825 views / 0 likes - added 8 years ago

Watch 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
01:45 Popular
Percents — Harder Example | Math | New SAT | Khan Academy

764 views / 0 likes - added 8 years ago

Watch 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
03:14 Popular
Percents — Basic Example | Math | New SAT | Khan Academy

714 views / 0 likes - added 8 years ago

Watch 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
11:47 Popular
Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy

1,152 views / 0 likes - added 6 years ago

Introduction 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
07:02 Popular
Manipulating Quadratic And Exponential Expressions — Harder Example | Math | New SAT | Khan Academy

2,354 views / 0 likes - added 8 years ago

Watch 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
03:42 Popular
Manipulating Quadratic And Exponential Expressions — Basic Example | Math | New SAT | Khan Academy

1,063 views / 0 likes - added 8 years ago

Watch 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
05:06
Whale Fall Actively Devoured by Scavengers at Davidson Seamount | Nautilus Live

464 views / 3 likes - added 4 years ago

During the final dive of this year’s Nautilus expedition season, our team discovered a whale fall while exploring Davidson Seamount off central California’s coast with researchers from Monterey Bay National Marine Sanctuary. The skeletal remai
06:13 Popular
Rate constant k from half-life example | Knetics | Chemistry | Khan Academy

932 views / 0 likes - added 6 years ago

Example 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
04:28 Popular
Data Inferences — Harder Example | Math | New SAT | Khan Academy

760 views / 1 likes - added 8 years ago

Watch 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
03:32 Popular
Data Inferences — Basic Example | Math | New SAT | Khan Academy

1,400 views / 0 likes - added 8 years ago

Watch 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
02:01 Popular
Table Data — Harder Example | Math | New SAT | Khan Academy

857 views / 0 likes - added 8 years ago

Watch 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
01:22 Popular
Table Data — Basic Example | Math | New SAT | Khan Academy

1,038 views / 0 likes - added 8 years ago

Watch 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
01:26
Introduction to verbs | The parts of speech | Grammar | Khan Academy

618 views / 0 likes - added 6 years ago

Let'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
12:51
Big Data Problems: Crash Course Statistics #39

423 views / 0 likes - added 4 years ago

There is a lot of excitement around the field of Big Data, but today we want to take a moment to look at some of the problems it creates. From questions of bias and transparency to privacy and security concerns, there is still a lot to be done to manage t
04:33 Popular
Coordinating conjunctions | The parts of speech | Grammar | Khan Academy

997 views / 0 likes - added 6 years ago

Coordinating 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
05:35
The hidden treasures of Timbuktu - Elizabeth Cox

337 views / 1 likes - added 3 years ago

Dig into the ancient manuscripts, scrolls, and books of Timbuktu and find out why theyve been hidden for centuries. --On the edge of the vast Sahara desert, citizens snuck out of the city of Timbuktu and took to the wilderness. They buried chests in the d
03:01
Could Poop Power Our Cars?

690 views / 1 likes - added 6 years ago

Is brown the new green? UCLA researchers are using waste matter (yes, including poop) to make a new generation of advanced biofuels. Subscribe! http://bit.ly/1fUWHyY The Climate Change Facts You Need to Know: https://youtu.be/6SRMiMb1xgI The U.S. alone an
07:14 Popular
Calculating internal energy and work example | Chemistry | Khan Academy

1,095 views / 0 likes - added 6 years ago

Worked 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-
04:06 Popular
Why is the Statue of Liberty Green?

1,506 views / 4 likes - added 6 years ago

Check out BrainCraft here: https://www.youtube.com/braincraft The Statue of Liberty is an iconic blue-green symbol of freedom. But did you know she wasn’t always that color? When France gifted Lady Liberty to the U.S., she was a 305-foot statue with reddi
07:50 Popular
pH and pKa relationship for buffers | Chemistry | Khan Academy

834 views / 0 likes - added 6 years ago

How 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/
04:22 Popular
Ratios, Rates, And Proportions — Harder Example | Math | New SAT | Khan Academy

940 views / 0 likes - added 8 years ago

Watch 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
05:18 Popular
Linear And Exponential Growth — Harder Example | Math | New SAT | Khan Academy

870 views / 0 likes - added 8 years ago

Watch 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=
02:28 Popular
Linear And Exponential Growth — Basic Example | Math | New SAT | Khan Academy

1,149 views / 0 likes - added 8 years ago

Watch 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
03:27 Popular
Key Features Of Graphs — Harder Example | Math | New SAT | Khan Academy

749 views / 0 likes - added 8 years ago

Watch 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
03:22 Popular
Key Features Of Graphs — Basic Example | Math | New SAT | Khan Academy

1,106 views / 0 likes - added 8 years ago

Watch 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
04:00 Popular
Data Collection And Conclusions — Basic Example | Math | New SAT | Khan Academy

2,504 views / 0 likes - added 8 years ago

Watch 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
Ghostly critters from the deep sea: Stygiomedusa gigantea

132 views / 0 likes - added 2 years ago

Stygiomedusa gigantea is one of the largest invertebrate predators known in the ocean, yet little is understood about its ecology and behavior. Stygiomedusa lacks tentacles, but has four extraordinarily large oral arms that are presumably used to envelope
06:01
8 Crazy Intense Ninja Runs from Season 2 | American Ninja Warrior Junior | Universal Kids

539 views / 0 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://linktr.ee/universalkids Check out the 8 CRAZIEST Ninja Warrior races from Season 2!!SUBSCRIBE: http://bit.ly/UniKids_YT_SubscribeWATCH ON TV: http://bit.ly/FindUniKidsSTREAM ON PE
02:16 Popular
Center, Spread, And Shape Of Distributions — Harder Example | Math | New SAT | Khan Academy

1,345 views / 0 likes - added 8 years ago

Watch 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
04:37
Firebrats and Silverfish Are Rocking Some Old-School Looks | Deep Look

199 views / 1 likes - added 2 years ago

What *is* that bizarre fishlike thing squirming in your sink at night? Firebrats and silverfish are pretty darn similar to some of the earliest insects on Earth. With three long filaments poking out their back, no wings and mini-me babies, they have somet
03:59 Popular
Meet the Comma | Punctuation | Grammar | Khan Academy

911 views / 1 likes - added 6 years ago

David 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/
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy

1,170 views / 1 likes - added 6 years ago

“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
04:47
Who versus whom | The parts of speech | Grammar | Khan Academy

598 views / 0 likes - added 6 years ago

When 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
05:22
5 Min FAMILY NINJA WORKOUT with Akbar & Kids! | American Ninja Warrior Junior | Universal Kids

537 views / 0 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://linktr.ee/universalkids Train like a Ninja Warrior with Akbar Gbajabiamila and his kids with this easy home workout!SUBSCRIBE: http://bit.ly/UniKids_YT_SubscribeWATCH ON TV: http:
03:00
Appositives | Punctuation | Grammar | Khan Academy

632 views / 0 likes - added 6 years ago

David 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
03:15
Personal pronouns | The parts of speech | Grammar | Khan Academy

654 views / 0 likes - added 6 years ago

Let'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
03:12 Popular
Correlative conjunctions | The parts of speech | Grammar | Khan Academy

1,015 views / 0 likes - added 6 years ago

Correlative 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
08:18
14 Female Ninja Warriors You DON'T WANT TO MESS WITH! | American Ninja Warrior Junior

581 views / 1 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://linktr.ee/universalkids Count down the top 14 female Ninja Warriors from Season 2 as they conquer the course!SUBSCRIBE: http://bit.ly/UniKids_YT_SubscribeWATCH ON TV: http://bit.l
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,247 views / 0 likes - added 6 years ago

Subordinating 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
04:20 Popular
I Made a Real-Life Invisibility Cloak! Watch My Hand Disappear With My Homemade Rochester Cloak!

837 views / 1 likes - added 6 years ago

In this video I show you a real-life invisibility cloak also called a Rochester Cloak. This device uses four lenses to curve light around an object in order to make it appear invisible! This is amazing! WARNING: This video is for entertainment purposes on
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02:51
The Biggest Organism On Earth

700 views / 0 likes - added 8 years ago

Thanks to ScienceAlert for support - http://www.facebook.com/sciencealert And thanks to the following Subbable supporters; they make MinuteEarth a reality! Mike Ledermueller David Smith @JGregory808 - http://jgregory808.tumblr.com/ Myndert Papenhuyzen @WY
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1:25:34
Investigating the Periodic Table with Experiments - with Peter Wothers

355 views / 0 likes - added 4 years ago

We celebrate 150 years of the Periodic Table and Mendeleev's genius by braving the elements from Argon to Zinc in this demonstration filled show.Subscribe for regular science videos: http://bit.ly/RiSubscRibeYou can pre-order Peter's book "Antimony, Gold,
08:44
EPIC FALLS We Weren't Expecting! | American Ninja Warrior Junior | Universal Kids

572 views / 1 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://linktr.ee/universalkids Even some of the best ninja warriors trip up sometimes! Count down the MOST EPIC falls from Season 2 of American Ninja Warrior Junior.SUBSCRIBE: http://bit
19:58
The Genius of 3D Printed Rockets

182 views / 0 likes - added 2 years ago

3D printed rockets save on up front tooling, enable rapid iteration, decrease part count, and facilitate radically new designs. For your chance to win 2 seats on one of the first Virgin Galactic flights to Space and support a great cause, go to https://ww
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Punctuating a list | Punctuation | Grammar | Khan Academy

584 views / 0 likes - added 6 years ago

Learn 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=
05:15 Popular
What Color Is a Shadow? The Colored Shadow Experiment

899 views / 0 likes - added 5 years ago

Get Your Own Experiment Box at: https://www.theactionlab.com/ In this video I talk about light and how different colors of light make up white light. Then I talk about what color a shadow actually is. I show you some surprising facts about shadows and lig
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08:31 Popular
Can You Make Oobleck From Chocolate? Edible Oobleck Experiment!

860 views / 1 likes - added 6 years ago

In this video I show you how to make edible oobleck! I test how the oobleck changes with the coke, chocolate milk and cheese mixed in with it to answer the question whether or not you can make oobleck with different liquids. Then I eat them at the end and
07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,208 views / 0 likes - added 8 years ago

Where 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
02:53 Popular
The truly irregular verbs | The parts of speech | Grammar | Khan Academy

1,034 views / 0 likes - added 6 years ago

Some 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
07:58 Popular
Do Spiders Actually Get Dizzy? Spinning a Hobo Spider on a Turntable Then Letting It Try To Walk

1,321 views / 4 likes - added 5 years ago

Follow me on: Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat Get your subscription box here: https://www.theactionlab.com In this video I check if a spider can actually get dizzy by putting it on a turntabl
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What Happens If You Hold Your Pee In For Too Long

659 views / 1 likes - added 5 years ago

Everyone holds in their pee every now and then. And that's okay! Just don't do it too often, or it could lead to some serious problems down the road. Science Insider tells you all you need to know about science: space, medicine, biotech, physiology, and m
08:27
Ninja Warriors Share Their HIDDEN TALENTS! | American Ninja Warrior Junior | Universal Kids

607 views / 2 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://linktr.ee/universalkids These Ninja Warriors are not just amazing athletes, but they also have cool hidden talents, like acting, stop motion animation and surfing!SUBSCRIBE: http:
05:53
Comparing Q vs K example | Chemical equilibrium | Chemistry | Khan Academy

589 views / 0 likes - added 6 years ago

A 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
05:03 Popular
Indefinite Pronouns | The parts of speech | Grammar | Khan Academy

1,134 views / 0 likes - added 6 years ago

David, 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
04:34
This Map Shows Where American Accents Come From

675 views / 0 likes - added 5 years ago

When you're traveling to another part of the US than you're originally from, it might be surprising to hear how different the locals sound. For instance, a New Yorker will likely speak the same English language in a completely different accent from a nati
02:54 Popular
Helping verbs | The parts of speech | Grammar | Khan Academy

1,152 views / 0 likes - added 6 years ago

We'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
03:56 Popular
Can 3D Printing Save Rhinos From Extinction?

889 views / 1 likes - added 7 years ago

With Rhinos on the brink of extinction, could 3D printed horns stop their decline? Here's how these bioengineers are making this possible. Why Are Rhino Horns Worth More Than Gold? - http://youtube.com/watch?v=5ybLNix3yCw Sign Up For The Seeker Newsletter
15:55 Popular
World's Largest Giant Chupa Chups Lollipops Magic Transform Candy! Kids Pretend Playtime Family Fun

2,231 views / 9 likes - added 6 years ago

World's Largest Giant Chupa Chups Lollipops Magical Transform Candy for Kids Pretend Playtime Family Fun with Ryan ToysReview! Ryan used his magical wand and transform regular size candy to a giant size candy! Then it's extreme giant Chupa Chups playtime!
20:03
Super Mario comes to life at Universal Studios Super Nintendo World! | Nightly News: Kids Edition

221 views / 0 likes - added 1 year ago

This week marks one year since Russia invaded Ukraine. We explain this serious story, and talk to a few kids who are living through the war about what everyday life looks like for them. As Black History Month comes to an end, we honor Bessie Coleman, the
02:11
Perfect progressive aspect | The parts of speech | Grammar | Khan Academy

539 views / 0 likes - added 6 years ago

We 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
02:55 Popular
Emphatic pronouns | The parts of speech | Grammar | Khan Academy

893 views / 0 likes - added 6 years ago

Sometimes 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://
10:21 Popular
Hide and Seek Playing Chase with Gus The Gummy Gator! Kids playtime Rainbow Gummy Jello egg!

1,871 views / 9 likes - added 7 years ago

Kids playing Hide and Seek and playing chase with Gus The Gummy Gator and Ryan ToysReview! Great pretend play videos for kids! Click here to see Gus the Gummy Gator: https://www.youtube.com/channel/UCZkSuKAy5kMnZXoxo1PrmJQ Winner gets rainbow Gummy jello
05:27 Popular
Converting Directly From Binary To Hexadecimal | Pre-Algebra | Khan Academy

1,285 views / 0 likes - added 8 years ago

Watch 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
02:00 Popular
What is a pronoun? | The parts of speech | Grammar | Khan Academy

1,078 views / 0 likes - added 6 years ago

Pronouns 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
07:08 Popular
Can Light be Black? Mind-Blowing Dark Light Experiments!

769 views / 0 likes - added 6 years ago

In this video I test if light can be black. I show you several experiments that show you cases of light that is black and then I talk about what color actually is and why mixing pain and light give you the same but different results! The Projector I used:
09:19
What is the Speed of Smell? Is It Possible to Actually Launch Smell With a Smell Cannon?

620 views / 1 likes - added 5 years ago

Go to https://wix.com/go/ActionLab to get started on your website today! Check out my new website at https://www.theactionlabhome.com/ ! In this video I answer the question, "what is the speed of smell?" Then I show you how you can actually make a smell s
06:47
How to Do Ninja Training at Home! | #StayHome #WithMe | American Ninja Warrior Junior

584 views / 0 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://linktr.ee/universalkids Work out like a ninja at home with some of the best exercise tips from top junior ninjas Taylor Greene, Holden McNeil, Gabby Romano, and more!SUBSCRIBE: ht
10:41 Popular
Top 20 Vending Machines You'll Wish We Had More Of In The World

732 views / 3 likes - added 5 years ago

From a machine that accepts hugs instead of money, to robotic convenience stores, lets take a look at 20 machines that should exist in more places around the world. Subscribe for more! ► https://goo.gl/pgcoq1 ◄ Stay updated ► https://goo.gl/JyGcTt https:/
36:55
How Does Film ACTUALLY Work? (It's MAGIC) [Photos and Development] - Smarter Every Day 258

222 views / 0 likes - added 3 years ago

For 50% off your first month of any subscription crate from KiwiCo (available in 40 countries!) head to https://kiwico.com/Smarter50Indie Film Lab : https://www.indiefilmlab.com/Click here if you're interested in subscribing: http://bit.ly/Subscribe2SEDPl
03:14
The irregular verb gets taken for a ride | Grammar | Khan Academy

591 views / 0 likes - added 6 years ago

This 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
05:34
A day in the life of an ancient Greek architect - Mark Robinson

359 views / 0 likes - added 3 years ago

Follow Pheidias, the chief builder for the Parthenon, as he supervises the construction of the new temple and faces charges of embezzlement.--The year is 432 BCE. As dawn breaks over Athens, Pheidias is already late for work. He is the chief builder for t
10:44 Popular
GIANT GUMMY CANDY MAKER! DIY gummy bear, Gummies worm! Kids Candy Review

2,760 views / 13 likes - added 7 years ago

GIANT GUMMY CANDY MAKER with Ryan ToysReview! This DIY gummies candy let kids make giant gummy bear, gummy worms, gummy fish like the Swedish fish! Ryan's Family also make giant gummy lego man! We love make gummy videos because it's so much fun for the wh
15:55
JEDI FORCE TRAINING DRONE!

307 views / 0 likes - added 3 years ago

Check out http://kiwico.com/Hacksmith50 for 50% off your first month of any crate!Check out the circuit diagram at Maker.IO https://www.digikey.com/en/maker/projects/the-hacksmith-building-a-jedi-training-droid/8f9c77efbe8d4ff687cbb41087dd78b0GET MERCH ht
06:58
What is the Speed of Gravity? The Deleted Sun Experiment

450 views / 0 likes - added 5 years ago

In this video I show you what the speed of gravity is and then show you what happens if the sun suddenly disappeared. What would happen to the orbits of the planets? Then I talk about why some people say that gravity is instantaneous and some say it is no
08:43 Popular
Fastest Ninja Races from the "MOHAWK NINJA" BECKSTRAND FAMILY!! | American Ninja Warrior Junior

978 views / 3 likes - added 3 years ago

Watch full episodes with Universal Kids on TV or stream on Peacock! https://linktr.ee/universalkids Count down "Mohawk Ninja" Kai, Baylee, and Luke Beckstrand's fastest races ever from Season 1 and 2 of American Ninja Warrior Junior!SUBSCRIBE: http://bit.
02:45
Progressive Aspect | The parts of speech | Grammar | Khan Academy

528 views / 0 likes - added 6 years ago

If 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
01:32
Simple Aspect | The parts of speech | Grammar | Khan Academy

608 views / 0 likes - added 6 years ago

If 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
05:10 Popular
Reflexive pronouns | The parts of speech | Grammar | Khan Academy

1,088 views / 0 likes - added 6 years ago

We 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
04:12
What Color are the Stars? How To Measure the Temperature of the Stars With Only a Camera

599 views / 0 likes - added 5 years ago

Do Your Own Experiments at home! https://www.theactionlab.com/ Have you ever wondered what color the stars are? And what does a star's color actually mean? In this video I show you how to measure the temperature of the stars by using your camera. I talk a
08:56
The Real Reason Your Hands Get Wrinkly in Water. The Human Sponge Experiment

633 views / 1 likes - added 6 years ago

In this video I test how much water you absorb in a pool! Also, I tell you the real reason why your hands and feet wrinkle in water. I was really surprised by the results of this test! WARNING: This video is for entertainment purposes only. If you use the
05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy

874 views / 0 likes - added 6 years ago

The 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
04:56
Kidnapper Ants Steal Other Ants' Babies - And Brainwash Them | Deep Look

599 views / 1 likes - added 4 years ago

Kidnapper ants raid other ant species' colonies, abduct their young and take them back to their nest. When the enslaved babies grow up, the kidnappers trick them into serving their captors hunting, cleaning the nest, even chewing up their food for them.Pl
08:30 Popular
Multiplying And Dividing Negative Numbers | Pre-Algebra | Khan Academy

1,842 views / 0 likes - added 8 years ago

Multiplying 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
08:58
Does Superglue Still Work in a Vacuum Chamber? The Ultimate Superglue and Baking Soda Experiment

612 views / 0 likes - added 5 years ago

Get your Experiment box here! https://www.theactionlab.com/ In this video I talk about how superglue actually works. Then I show you what happens when you put superglue in water and then what happens when you put it in a water that has a strong base in it
31:06 Popular
World's Largest Gummy Worm Gummy Bear and Snake Candy Challenge Real Messy Food Kids Candy Review

2,477 views / 7 likes - added 7 years ago

World's Largest Gummy Worm Gummy Bear and Snake Candy Challenge Real Messy Food Kids Candy Review World's Largest Gummy Bear Gummy Worm and Snake Candy Challenge Real Messy Food Kids Candy Review with Ryan ToysReview and his family! The super giant gummy
07:43 Popular
Basic Addition | Addition And Subtraction | Arithmetic | Khan Academy

1,298 views / 1 likes - added 8 years ago

Introduction 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
05:34
Subject and object pronouns | The parts of speech | Grammar | Khan Academy

531 views / 0 likes - added 6 years ago

Before 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
03:11 Popular
The vowel-shift irregular verb | The parts of speech | Grammar | Khan Academy

1,190 views / 0 likes - added 6 years ago

This 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
09:17 Popular
Unit Conversion Within The Metric System | Pre-Algebra | Khan Academy

1,881 views / 0 likes - added 8 years ago

Metric 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
03:08
Where Are the Stars? See How Light Pollution Affects Night Skies | Short Film Showcase

691 views / 0 likes - added 7 years ago

Of the many ways Earth is polluted, light pollution may be the least talked about. It's not an illusion; astronomers measure it from one to nine on the Bortle scale, and earlier this year, one study suggested that light pollution may be causing spring to
Featured
03:51
This Dangerous Mosquito Lays Her Armored Eggs in Your House | Deep Look

263 views / 0 likes - added 3 years ago

The Aedes aegypti mosquito, which can transmit dengue fever and Zika, makes a meal of us around our homes. And her eggs are hardy. They can dry out, but remain alive for months, waiting for a little water so they can hatch into squiggly larvae.Please join
04:35
Commas and introductory elements | Punctuation | Grammar | Khan Academy

531 views / 0 likes - added 6 years ago

In 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
04:16
Why Did the Mexican Jumping Bean Jump? | Deep Look

384 views / 0 likes - added 3 years ago

To find its place in the shade! Each hollowed-out seed is home to a head-banging moth larva, just trying to survive the harsh Sonoran Desert sun.SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt Please join our community on Patreon! https://www.patreon.com/dee
03:56 Popular
Will We Ever Stop Breaking World Records?

768 views / 0 likes - added 7 years ago

Every year, it becomes more difficult to break a world record. Is there a limit to human capability? Why Sports Are Unfair - http://bit.ly/1lgjZcl Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI Read More: Have We Reached The Athletic Limit
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06:21
Is Scotch Tape Radioactive? Making X-rays From Tape—Triboluminescence in a Vacuum Chamber

504 views / 0 likes - added 5 years ago

In this video I attempt to make x-rays from scotch tape unraveling in a vacuum chamber. I show you how you can see triboluminescence when you unravel tape quickly. Then I use my Geiger counter to measure if x-rays are really produced when you unravel the
04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy

1,472 views / 0 likes - added 6 years ago

There'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
22:42 Popular
Scientists Fact Check Natural Disasters In Movies | Vanity Fair

805 views / 1 likes - added 4 years ago

Environmental scientists Morgan Page, Michael Angove and Peter Gleick review the scientific validity of scenes from "San Andres," "2012," "The Day After Tomorrow," "Volcano," "Twister," "Geostorm," "The Core," "Interstellar," "Sharknado," "The Perfect Sto
02:31
Perfect Aspect | The parts of speech | Grammar | Khan Academy

689 views / 0 likes - added 6 years ago

If 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
04:39 Popular
Grammatical person and pronouns | The parts of speech | Grammar | Khan Academy

874 views / 0 likes - added 6 years ago

There'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
10:22
Can Loud Sounds Actually Cook Things? The Sound to Heat Experiment

511 views / 0 likes - added 5 years ago

In this experiment I test out if you can heat things up with sound waves! I start off with low frequency 20 Hz and then turn up the frequency higher and higher to try to cook an egg just from sound! I talk about sound waves and how frequency is related to
02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,037 views / 0 likes - added 8 years ago

Watch 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/
01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

575 views / 0 likes - added 6 years ago

If 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
03:37 Popular
Archerfish Says..."I Spit in Your Face!" | Deep Look

745 views / 1 likes - added 7 years ago

The archerfish hunts by spitting water at terrestrial targets with weapon-like precision, and can even tell human faces apart. Is this fish smarter than it looks? SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK is a ultra-HD (4K) short video series
07:46
Five Ramadan Iftar Meals Around the World

658 views / 0 likes - added 5 years ago

1.6 billion Muslims are celebrating Ramadan around the world. As this holy month comes to a close, families around the world are preparing their last iftar meals to break their daily fasts. Venture into the kitchen of five Muslim women preparing food for
05:30
Watch These Peregrine Falcons Become Fierce Parents | Deep Look

346 views / 2 likes - added 3 years ago

High up in their 300-foot tower penthouse, falcon stars Annie and Grinnell's romance quickly gets real, as they face the tough demands of raising a family. They furiously guard their eggs from invaders, then stuff their screaming newborn chicks with meat.
07:34 Popular
Hexadecimal Number System | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,100 views / 0 likes - added 8 years ago

Watch 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
03:00 Popular
Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

1,790 views / 0 likes - added 8 years ago

The 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
10:00
Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

615 views / 0 likes - added 8 years ago

Watch 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.
07:33 Popular
Ways to get a buffer solution | Chemistry | Khan Academy

1,260 views / 0 likes - added 6 years ago

Describes 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
01:46 Popular
Introduction to verb tense | The parts of speech | Grammar | Khan Academy

811 views / 0 likes - added 6 years ago

An 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/
04:35
This Bee Gets Punched by Flowers For Your Ice Cream | Deep Look

626 views / 0 likes - added 4 years ago

Alfalfa leafcutting bees are way better at pollinating alfalfa flowers than honeybees. They dont mind getting thwacked in the face by the spring-loaded blooms. And that's good, because hungry cows depend on their hard work to make milk.Join our community
03:43 Popular
Converting From Decimal To Hexadecimal Representation | Pre-Algebra | Khan Academy

1,435 views / 0 likes - added 8 years ago

Watch 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
03:52 Popular
Converting From Decimal To Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,519 views / 0 likes - added 8 years ago

Watch 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
04:05 Popular
Making a Shockwave by Hitting Two Huge Steel Ball Bearings Together!

842 views / 0 likes - added 5 years ago

Get your experiment box here https://www.theactionlab.com/ In this video I show you what happens when you smash two giant steel ball bearings together! You get an amazing shock-wave that can burn paper and send it flying it sonic speeds! Follow me on: Twi
09:08 Popular
Why is it so Difficult to Walk on Water? Amazing Water-Tension Experiment

993 views / 4 likes - added 5 years ago

Get your Action Lab Box Now! https://www.theactionlab.com/ Follow me on Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat In this video I show you why it is so difficult to walk on water? Even if you have some
04:49
Why Haven’t Hydrogen Vehicles Taken Over the World Yet?

482 views / 0 likes - added 5 years ago

Hydrogen fuel cells are promoted as efficient and carbon free, but what happened to hydrogen cars? Why a Half Degree Rise in Global Temperature Would Be Catastrophic - https://youtu.be/teZk3NLU_7M Read More: Gas guzzlers reborn: Why your next car could ru
11:15
What Shape is Our Universe? Weird Experiment Shows What Happens In Universes With Different Shapes

519 views / 0 likes - added 5 years ago

Get Your Vacuum Chamber Here: https://www.theactionlab.com/ Follow me on Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat In this video I show you how we can determine the shape of our own universe. I show yo
02:30
The Beach Boys | Official Trailer

19 views / 0 likes - added 1 week ago

Get ready for an endless summer of fun, fun, fun with The Beach Boys, the all-new documentary streaming exclusively on Disney+ beginning May 24, 2024. And be sure to check out the trailer and key art out today and share them with your readers! The Beach B
03:58
Sharpshooter Insects are Real Wizzes at Whizzing | Deep Look

36 views / 0 likes - added 3 months ago

Sharpshooters survive by guzzling a lot of plant sap. But drinking all of that liquid nutrition presents a problem for these tiny insects: How do they move it all out? Easy. They've perfected a super-propulsive urination technique using a special catapult
02:56
These 'Resurrection Plants' Spring Back to Life in Seconds | Deep Look

680 views / 0 likes - added 7 years ago

Rain falls and within seconds dried-up moss that's been virtually dead for decades unfurls in an explosion of green. The microscopic creatures living in the moss come out to feed. Scientists say the genes in these “resurrection plants” might one day prote
05:15
Can You Make Something Fall Slow? The Slow Falling Ball Experiment

651 views / 0 likes - added 5 years ago

Get Your Experiment Box Here: https://www.theactionlab.com/ In this video I show you how you make things fall slower near a magnet by generating eddy currents inside of them. I also show you how to make the world's simplest motor! I teach you about the Lo
The covid vaccine developed super quickly. Here's why its still safe.

246 views / 0 likes - added 3 years ago

Remember when the pandemic started and some people were really into baking bread? Lots of people embraced the comfort of sourdough to get them through the frightening first months of the pandemic. Ironically, the reason we can eat bread at all is because
06:10
Will an Ant Survive Being Dropped Off a Building? The Insect Drop Experiment

589 views / 0 likes - added 5 years ago

Get Your Action Lab T-Shirt Here: https://www.theactionlab.com/store/shirt In this video I test what happens when you drop an ant off a building. Will it survive? I talk about terminal velocity and impact and why insects seem to be able to survive drops f
06:44
My Arm vs the Fire Syringe—What Happens When You Crush Air Really Fast?

399 views / 0 likes - added 6 years ago

Checkout Brilliant Here: https://brilliant.org/TheActionLab/ In this video I show you how compressing air makes it really hot! Hot enough to burn things! I use a fire syringe to show you how you can light cotton on fire by compressing the air around it. T
08:53 Popular
What is Evolution?

1,971 views / 0 likes - added 5 years ago

Support Stated Clearly on Patreon: https://www.patreon.com/statedclearly Evolution is often considered a complex and controversial topic but it's actually a very simple concept to understand. Watch this short animation to see how evolution works. Share it
12:13 Popular
Top 30 Weirdest Bikes You Won't Believe Exist

1,090 views / 1 likes - added 5 years ago

Bikes are great, but believe it or not, they come in some very crazy forms you couldn't even think of. From flying bikes, to bikes that can cross rivers, here are the 30 Craziest Bikes You Won’t Believe Exist. Subscribe for more! ► https://goo.gl/pgcoq1 ◄
08:08
Why CVS Receipts Are Intentionally, Ridiculously Long - Cheddar Explains

197 views / 0 likes - added 2 years ago

Ever walk into a CVS to pick up some gum, maybe some Chapstick, only to get hit with a ridiculously long receipt? Its no secret that most CVS purchases come with these comically long receipts. But what might surprise you is that these long receipts are pa
06:17 Popular
Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

890 views / 0 likes - added 8 years ago

We'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
01:53
The funky -ed irregular verb | The parts of speech | Grammar | Khan Academy

572 views / 1 likes - added 6 years ago

These 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
04:43
Subject, direct object, and indirect object | Syntax | Khan Academy

664 views / 0 likes - added 6 years ago

A 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
03:33
The Secret to Sriracha Hot Sauces Success

385 views / 0 likes - added 4 years ago

David Tran is the man to thank for the Sriracha Hot Chili Sauce you douse your scrambled eggs with every morning. You know the stuff. Red bottle with a green cap and a rooster on the frontplus five languages on the bottlethis simple sauce connects people
10:09 Popular
7 MAGIC POOL PRANKS FOR SUMMER (underwater challenge)

1,547 views / 10 likes - added 4 years ago

Fun magic pool challenges, pranks and tricks you can do for summer! Funny pranks and magic tricks perfect for the swimming pool; How to win an underwater breath holding challenge every time! What happens when you pour Liquid Nitrogen into a swimming pool?
10:09
Why There Are No Bluish-Yellow Crayons: The Forbidden Color Experiment

675 views / 0 likes - added 5 years ago

Follow me on: Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat Get your subscription box here: https://www.theactionlab.com In this video I see if you can see this forbidden color! I explain what a forbidden
04:45
The Ultimate Donut Battle: Cake vs. Yeast

491 views / 0 likes - added 6 years ago

There’s nothing weirder than biting into a cake donut when you’re expecting the texture of a yeast donut. It’s all fried dough, right? This week on Reactions, we talk about how chemistry makes these two foods so different. Subscribe! http://bit.ly/ACSReac
03:29
Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

568 views / 0 likes - added 6 years ago

Words 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
07:25
What Happens if You Put a Vacuum Chamber in a Vacuum Chamber? Action Lab Box#1 Unboxing!

516 views / 0 likes - added 5 years ago

Get your Action Lab Box Now! https://www.theactionlab.com/ Follow me on Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat In this video I show you what happens when you put a vacuum chamber in a vacuum chamber
10:41 Popular
Can Life Exist in 2 Dimensions Instead of 3D? Amazing 2D Life Test!

1,004 views / 1 likes - added 6 years ago

Real-life flatland! In this video I use micro-thin layers to simulate two dimensions to see if life could exist in 2 dimensions instead of 3. I use my drawing on water technique to show you how weird a two-dimensional world would be. Then I show you some
03:24 Popular
Fluorescence Is Awesome (Here Is How It Works)

803 views / 0 likes - added 7 years ago

Subscribe! http://bit.ly/ACSReactions Check out the NSF's Center for Sustainable Nanotechnology Blog! http://sustainable-nano.com/ Have you ever wondered about what makes a fluorescent color stand out so brightly from the rest? Today we’re digging into wh
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04:07
Why Crickets Just Won't Shut Up | Deep Look

359 views / 0 likes - added 4 years ago

Male crickets play tunes non-stop to woo a mate or keep enemies away. But they're not playing their song with the body part you're thinking. Please join our community on Patreon! https://www.patreon.com/deeplookSUBSCRIBE to Deep Look! http://goo.gl/8NwXqt
04:52
Possessive pronouns | The parts of speech | Grammar | Khan Academy

670 views / 0 likes - added 6 years ago

We 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
10:25
Is Water Wet? The Final Experimental Proof!

574 views / 0 likes - added 6 years ago

In this video I join the "is water wet?" debate. I show you with an experiment the true answer to this question. The argument against water being wet is that water makes things wet, but it is not wet. Fire burns, it is not burned. However, instead of argu
05:52 Popular
Will The World Ever Run Out Of Water?

940 views / 4 likes - added 8 years ago

As the human population continues to explode, resources for fresh water are dwindling. What happens if the world runs out of water? How California's Drought Affects The World ►►►► http://dne.ws/1lom4nc Get Awesome DNews Science Shirts! ►►►► http://dne.ws/
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03:09 Popular
Simplifying Square Roots | Exponents, Radicals, And Scientific Notation | Pre-Algebra | Khan Academy

1,769 views / 0 likes - added 8 years ago

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_campaign=PreAlgebra Watch the next lesson: https://www.kh
05:16
The myth of the Sampo an infinite source of fortune and greed - Hanna-Ilona Hrmvaara

598 views / 0 likes - added 4 years ago

Download a free audiobook version of "The Lord of the Rings: The Fellowship of the Ring" and support TED-Ed's nonprofit mission: https://www.audible.com/ted-edCheck out our full book recommendation: https://shop.ed.ted.com/collections/ted-ed-book-recommen
09:36 Popular
Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

2,222 views / 0 likes - added 8 years ago

Mysterious 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.
12:00
Attempting to Make Hydrophobic Sodium—Testing Superhydrophobic Spray on Random Things

510 views / 0 likes - added 5 years ago

Go to https://wix.com/go/actionlab to get started on your website today! Check out my new website at https://www.theactionlabhome.com/ In this video I show you what happens when you spray Neverwet, a superhydrophobic spray on sodium and then put it in wat
06:25 Popular
Amazing Experiment Actually Makes Black Fire! The Shadow Fire Experiment

946 views / 3 likes - added 5 years ago

Get your Action Lab Box Now! https://www.theactionlab.com/ Follow me on Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat In this video I show you an amazing experiment where I actually make black fire! I show
08:04 Popular
Putting Helium in Nike Air Max—Are They Lighter?

770 views / 0 likes - added 5 years ago

Follow me on: Facebook: https://www.facebook.com/theactionlabrat Twitter: https://twitter.com/theactionlabman Get your subscription box here: https://www.theactionlab.com In this video I show you what happens when you put helium in Nike Air Max shoes. Can
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The volcanic chemistry of sulfur - with Andrew Szydlo

70 views / 0 likes - added 5 months ago

Ri favourite and science icon Andrew Szydlo takes you on a tour of the amazing, and sometimes explosive, chemistry of sulfur.Join this channel to get access to perks:https://www.youtube.com/channel/UCYeF244yNGuFefuFKqxIAXw/joinSubscribe for regular scienc
09:16 Popular
Adding/subtracting Negative Numbers | Pre-Algebra | Khan Academy

1,356 views / 0 likes - added 8 years ago

Adding 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=
10:29
This Is Why McDonald's Burgers Are So Delicious

341 views / 0 likes - added 3 years ago

McDonald's is famous for its burgers, selling approximately 75 every second. Of course, this means that the fast food giant must be doing something right when sandwiching their signature all-beef patties inside of a simple bun. But what makes these burger
13:21 Popular
Basic Multiplication | Multiplication And Division | Arithmetic | Khan Academy

1,831 views / 2 likes - added 8 years ago

Introduction 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
04:57
Irregular plural nouns | foreign plurals | The parts of speech | Grammar | Khan Academy

642 views / 0 likes - added 6 years ago

You 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
12:49 Popular
Scientific Notation Examples | Pre-Algebra | Khan Academy

1,167 views / 0 likes - added 8 years ago

More 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
05:56
Weird Gravitational Anomaly Found in Home Makes Things Roll Uphill

579 views / 0 likes - added 5 years ago

Does water boil in a vacuum? Find out with your own vacuum chamber! Buy The Action Lab box today: www.TheActionLab.com In this video I show you a weird gravitational anomaly I found in my kitchen that makes things roll uphill instead of down! I talk about
08:55
The Giant Bird That Got Lost in Time

471 views / 1 likes - added 5 years ago

The California condor is the biggest flying bird in North America, a title that it has held since the Late Pleistocene Epoch. It's just one example of an organism that we share the planet with today that seems lost in time, out of place in our world. Than
03:24 Popular
The Incredible Sea Life of the Red Sea Coral Reef | BBC Earth

786 views / 2 likes - added 5 years ago

Simon Reeve dives into the Red Sea to get close to its incredible fish and marine wildlife. Subscribe to BBC Earth for more amazing animal videos - http://bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet Earth http://bit.ly/PlanetEarthPlaylist
06:35
What Happens When You Put Pop-Its In a Vacuum Chamber? Explosions in Space Experiment

568 views / 0 likes - added 5 years ago

Get You Own Experiment Kits Here: https://www.theactionlab.com/ In this video I test if you can actually get fire in a complete vacuum! This is an amazing experiment. I use a very sensitive chemical to show you that fire can exist in a vacuum and it can c
05:51 Popular
Equivalent Fractions | Fractions | Pre-Algebra | Khan Academy

2,134 views / 0 likes - added 8 years ago

Introduces 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
07:02 Popular
TOYS SURPRISE HUGE BALLOON POP CHALLENGE PARTY Disney Cars Marvel Thomas Train Egg Surprise Toy

2,458 views / 9 likes - added 7 years ago

Join Ryan ToysReview for toys surprise huge balloon pop challenge party in Ryan's room! We blow up over 100+ balloons of different shapes and size! The winner of this family fun toy challenge will get an egg surprise! Inside the surprise egg was Marvel Av
03:21 Popular
Introduction To Perimeter | Measurement | Pre-Algebra | Khan Academy

788 views / 0 likes - added 8 years ago

Find 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
00:56 Popular
Counting With Small Numbers | Counting | Early Math | Khan Academy

896 views / 0 likes - added 8 years ago

Learn 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&
05:20 Popular
Order Of Operations: PEMDAS | Arithmetic Properties | Pre-Algebra | Khan Academy

1,915 views / 0 likes - added 8 years ago

Work 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
03:11
What Is The Black Plague... And Should You Be Worried?

700 views / 1 likes - added 8 years ago

Yosemite National Park just shut down two campgrounds due to the plague. Should you be worried? Subscribe! http://bit.ly/1FkxVLb ‖ Twitter! https://twitter.com/gross_science ‖ Tumblr! http://grossscience.tumblr.com/ ↓Want more info?↓ National Park Service
03:36 Popular
Approximating Irrational Number Exercise Example | Pre-Algebra | Khan Academy

1,513 views / 0 likes - added 8 years ago

Practice 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
06:01 Popular
How to Take the Color Out of Coke—The Colorless Coke Experiment

1,397 views / 1 likes - added 5 years ago

Checkout Brilliant Here: https://brilliant.org/TheActionLab/ Get your experiment box here https://www.theactionlab.com/ In this video I see if it is possible to take the color out of Coke! I talk about what causes color and then I used two different metho
09:50 Popular
Adding And Subtracting Fractions | Fractions | Pre-Algebra | Khan Academy

2,133 views / 1 likes - added 8 years ago

How 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
07:00
Abstract-ness | Introduction To Algebra | Algebra I | Khan Academy

642 views / 0 likes - added 8 years ago

The 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
07:15
Can You Push Things With Light?

609 views / 1 likes - added 5 years ago

Checkout Brilliant here: https://brilliant.org/theactionlab/ Get your Action Lab Box here: https://www.theactionlab.com/ In this video I test whether or not you can push things with light! I talk about whether or not light has mass. Instead of tying a fly
03:53 Popular
Plotting Basic Fractions On The Number Line | Fractions | Pre-Algebra | Khan Academy

1,373 views / 0 likes - added 8 years ago

Practice 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
12:26
Lagrangian Mechanics - A beautiful way to look at the world

402 views / 0 likes - added 5 years ago

Sign up to brilliant.org with this link to receive a 20% discount! https://brilliant.org/upandatom/ Lagrangian mechanics and the principle of least action. Kinematics. Hi! I'm Jade. Subscribe to Up and Atom for physics, math and computer science videos! *
05:17
What Are Waves? | Science at the Beach! | SciShow Kids

115 views / 0 likes - added 1 year ago

Let's learn all about the waves that we play in at the beach!Hosted by: Anthony BrownTeachers and parents: scroll down to check out the Next Generation Science Standards (NGSS) for this episode!----------Love SciShow Kids and want to help support it? Beco
04:51 Popular
Cube Root Of A Non-perfect Cube | Pre-Algebra | Khan Academy

1,280 views / 0 likes - added 8 years ago

Practice 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
04:33 Popular
Multiplying Negative And Positive Fractions | Fractions | Pre-Algebra | Khan Academy

884 views / 0 likes - added 8 years ago

See 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_
08:35 Popular
Is it Possible to Take The Color Out of Food? Amazing Colorless Food Experiment!

1,004 views / 0 likes - added 5 years ago

Perform Your Own Experiments! https://www.theactionlab.com/fireworks In this video I do an experiment to see if you can remove the coloring from food.i talk about color and what causes color to occur. Then I show you how you can remove color by taking the
01:11 Popular
Subtracting Decimals: Example 1 | Decimals | Pre-Algebra | Khan Academy

1,093 views / 1 likes - added 8 years ago

Subtracting 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
04:00 Popular
The Snail-Smashing, Fish-Spearing, Eye-Popping Mantis Shrimp

797 views / 1 likes - added 7 years ago

The killer punch of the mantis shrimp is the fastest strike in the animal kingdom, a skill that goes hand in hand with its extraordinary eyesight. They can see an invisible level of reality using polarized light, which could lead to a breakthrough in dete
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So ... Sometimes Fireflies Eat Other Fireflies | Deep Look

499 views / 0 likes - added 5 years ago

Most firefly flashes are pure romance, a sexy form of skywriting. But one variety copies the mating signals of others to lure them to their demise. SUBSCRIBE to Deep Look! http://goo.gl/8NwXqt DEEP LOOK: a new ultra-HD (4K) short video series created by K
02:28 Popular
Drawing Line Of Reflection | Transformations | Geometry | Khan Academy

1,052 views / 0 likes - added 8 years ago

Drawing 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
07:52 Popular
What Does a 4D Ball Look Like in Real Life? Amazing Experiment Shows Spherical Version of Tesseract

787 views / 1 likes - added 5 years ago

Follow me on: Get your subscription box here: https://www.theactionlab.com Twitter: https://twitter.com/theactionlabman Facebook: https://www.facebook.com/theactionlabrat In this video I show you what a movement through a fourth spatial dimension would lo
02:07 Popular
Percentage Of A Whole Number | Decimals | Pre-Algebra | Khan Academy

1,530 views / 0 likes - added 8 years ago

We 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
05:34 Popular
Multiplying Positive And Negative Numbers | Pre-Algebra | Khan Academy

1,383 views / 0 likes - added 8 years ago

Learn 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?
03:31 Popular
Tagging the Largest Shark on Earth #OurBluePlanet - BBC Earth

814 views / 0 likes - added 7 years ago

The size of a school bus but in many ways a mystery, whale sharks continue to fascinate. Join a team of international scientists at a renowned marine sanctuary in Cabo Pulmo, Mexico and discover how we’re trying to better understand these remarkable creat
20:48 Popular
Introduction To Scientific Notation | Pre-Algebra | Khan Academy

1,960 views / 0 likes - added 8 years ago

Introduction 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
06:29 Popular
Multiplying Decimals: Place Value And Reordering | Decimals | Pre-Algebra | Khan Academy

1,395 views / 0 likes - added 8 years ago

We 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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