Search Results: "lakes california central valley"

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04:28 Popular
Circle Theorems — Basic Example | Math | New SAT | Khan Academy

1,364 views / 0 likes - added 8 years ago

Watch Sal work through a basic Circle theorems 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-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
02:50 Popular
Complex Numbers — Basic Example | Math | New SAT | Khan Academy

1,024 views / 0 likes - added 8 years ago

Watch Sal work through a basic Complex numbers problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s3-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the prev
05:33 Popular
Right Triangle Word Problems — Harder Example | Math | New SAT | Khan Academy

716 views / 0 likes - added 8 years ago

Watch Sal work through a harder Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s6-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
03:52
Right Triangle Word Problems — Basic Example | Math | New SAT | Khan Academy

700 views / 0 likes - added 8 years ago

Watch Sal work through a basic Right triangle word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
05:09 Popular
Volume Word Problems — Harder Example | Math | New SAT | Khan Academy

1,224 views / 0 likes - added 8 years ago

Watch Sal work through a harder Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s2-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previou
12:48
Can Parents Guess Their Kids' Cooking?

481 views / 2 likes - added 4 years ago

Can these parents guess which meals their kids cooked? Watch and find out!Watch more "Guess Your ...'s Cooking" here: https://fbereact.com/guessyourcooking-playlist Have you subscribed to our new Try Not To Channel yet? Subscribe now and HIT the bell! htt
02:38 Popular
Graphing Linear Equations — Harder Example | Math | New SAT | Khan Academy

917 views / 0 likes - added 8 years ago

Watch Sal work through a harder Graphing linear equations problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-heart-of-algebra/v/sat-math-h3-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the
04:04 Popular
The giant larvacean Bathochordaeus

804 views / 0 likes - added 7 years ago

Bathochordaeus is considered a giant among larvaceans. The giant larvacean’s claim to fame is the huge mucous house it builds. The house is made up of two filters and basically functions as an elaborate feeding apparatus. They eat tiny particles of
04:26
The Vinegaroon Sprays Acid to Foil Its Foes | Deep Look

179 views / 0 likes - added 2 years ago

The vinegaroon also known as a whip scorpion looks like a Frankenstein creation of monster body parts. But unlike true scorpions, it doesnt use venom to defend itself from predators. Instead, it aims its tail at their face and sprays a blast of acid that
13:41
Enlightened Monarchs: Crash Course European History #19

659 views / 0 likes - added 4 years ago

Last time we learned about the Enlightenment, and the philosophers and thinkers whose ideas would shape governance for hundred of years. This week, we're learning how monarchs across Europe were influenced by those ideas. Adoption of Enlightenment ideas a
03:59 Popular
Volume Word Problems — Basic Example | Math | New SAT | Khan Academy

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

Watch Sal work through a basic Volume word problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Missed the previous
04:22
These Giant Leaf Insects Will Sway Your Heart | Deep Look

445 views / 1 likes - added 4 years ago

Giant Malaysian leaf insects stay still – very still – on their host plants to avoid hungry predators. But as they grow up, they can't get lazy with their camouflage. They change – and even dance – to blend in with the ever-shiftin
04:31
NASAs Nuclear Drone Will Search For Life on Titan

460 views / 0 likes - added 4 years ago

As a part of NASA's New Frontiers mission, the Dragonfly drone will explore the terrain of Saturn's moon, Titan, in search of key ingredients for life. Subscribe to Seeker!http://bit.ly/subscribeseeker Watch more Countdown to Launch: http://bit.ly/CTLplay
05:25
Why Do Rocks the Size of Cars Suddenly Break From Cliffs?

441 views / 0 likes - added 5 years ago

Random rockfalls are still one of the biggest mysteries in geology - and figuring out what triggers them is an urgent quest in an area with millions of annual visitors. Will Supercomputers Create Virtual Maps of Your Body in the Future? - https://youtu.be
02:07
How To Travel Around The World in 60 Seconds!

574 views / 0 likes - added 5 years ago

How to Magic Around the World in a Snap! Evan Era travels around the world in less than a minute for this fun magic video! More than 10 international destinations all over the earth - London England • Paris France • Pisa Italy • Cairo Egypt • Beijing Chin
02:38 Popular
Function Notation — Harder Example | Math | New SAT | Khan Academy

1,217 views / 0 likes - added 8 years ago

Watch Sal work through a harder Function notation 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-q1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
03:33 Popular
Meet the Dust Mites, Tiny Roommates That Feast On Your Skin | Deep Look

781 views / 1 likes - added 7 years ago

You may think that you've got the house to yourself, but chances are you have about 100 different types of animals living with you. Many of them are harmless, but a few can be dangerous in ways you wouldn't expect. New research explores exactly whom you s
04:44 Popular
Relative clauses | Syntax | Khan Academy

753 views / 0 likes - added 6 years ago

A relative pronoun is a word like “that” or “which” or “who”, so a relative clause is a clause that begins with a relative pronoun. In the sentence “The dragon who breathed blue fire has retired,” “who breathed blue fire” is a relative clause. Learn more
02:23
Isolating Quantities — Harder Example | Math | New SAT | Khan Academy

665 views / 0 likes - added 8 years ago

Watch Sal work through a harder Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT M
02:01 Popular
Isolating Quantities — Basic Example | Math | New SAT | Khan Academy

1,114 views / 0 likes - added 8 years ago

Watch Sal work through a basic Isolating quantities problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p14-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Mi
02:26 Popular
Function Notation — Basic Example | Math | New SAT | Khan Academy

1,135 views / 0 likes - added 8 years ago

Watch Sal work through a basic Function notation problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-passport-advanced-mathematics/v/sat-math-p13-harder?utm_source=YT&utm_medium=Desc&utm_campaign=NewSAT Misse
02:39 Popular
Operations With Polynomials — Harder Example | Math | New SAT | Khan Academy

1,455 views / 0 likes - added 8 years ago

Watch Sal work through a harder Operations with polynomials 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-easier?utm_source=YT&utm_medium=Desc&utm_campaign=N
02:57 Popular
Operations With Polynomials — Basic Example | Math | New SAT | Khan Academy

1,514 views / 0 likes - added 8 years ago

Watch Sal work through a basic Operations with polynomials 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-harder?utm_source=YT&utm_medium=Desc&utm_campaign=New
01:57 Popular
NASA has found a planetary system with 7 Earth sized planets, all of which could have liquid water.

1,387 views / 6 likes - added 7 years ago

Seven Earth-sized planets have been observed by NASA's Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone. Over 21 days, NASA's Spitzer Space Telescope measured t
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1:02:16
George Goes Ape | George of the Jungle | 1 Hour Compilation | Cartoons For Kids

320 views / 2 likes - added 2 years ago

George discovers he's not actually an ape!George of the Jungle | Season 1 | Episode 12 | Brother George/Ape MitzvahGeorge spreads himself thin, and discovers he's not actually an ape!George of the Jungle | Season 1 | Episode 15 | Rainy Season/Love in the
02:11 Popular
Ratios, Rates, And Proportions — Basic Example | Math | New SAT | Khan Academy

1,041 views / 0 likes - added 8 years ago

Watch Sal work through a basic 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-q1-harder?utm_source=YT&utm_medium=Desc&utm_campaign=
07:22 Popular
Data Collection And Conclusions — Harder Example | Math | New SAT | Khan Academy

819 views / 0 likes - added 8 years ago

Watch Sal work through a harder Data collections and conclusions problem. Watch the next lesson: https://www.khanacademy.org/test-prep/new-sat/new-sat-math/new-sat-additional-topics-math/v/sat-math-s1-easier?utm_source=YT&utm_medium=Desc&utm_campaign=NewS
08:57 Popular
Researchers have decoded prairie dog language

787 views / 6 likes - added 7 years ago

This program discusses Prairie Dog Language -- the most sophisticated animal language decoded so far. Con Slobodchikoff, Ph.D., and his students at Northern Arizona University in Flagstaff, researched the Gunnison's prairie dogs Alarm Calls for over 30 ye
03:38
Yellowjackets Roll Tiny Meatballs For The Babies | Deep Look

137 views / 0 likes - added 1 year ago

Why is that yellowjacket crashing your BBQ? Well, she wants what you're having: burgers, hot dogs, fish and turkey. But she doesn't eat them herself. Her nest's larvae need that protein to develop. So she carves up your dinner and makes teeny-tiny meatbal
05:41 Popular
That versus which | The parts of speech | Grammar | Khan Academy

970 views / 0 likes - added 6 years ago

Much 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
13:18
Parents Try Guessing What Their Kid Will Do With $100 | What Would My Kid Do? (React)

552 views / 4 likes - added 4 years ago

Watch all React Special Eps: https://fbereact.com/RCSpecialsJoin the SuperFam and support FBE: https://www.youtube.com/user/React/joinSUBSCRIBE & HIT THE . New Videos 12pm PT on REACT: http://fbereact.com/SubscribeREACTJoin us LIVE on FBE2 every Tuesday a
03:45 Popular
Angles, Arc Lengths, And Trig Functions — Harder Example | Math | New SAT | Khan Academy

1,021 views / 0 likes - added 8 years ago

Watch 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
03:52 Popular
Angles, Arc Lengths, And Trig Functions — Basic Example | Math | New SAT | Khan Academy

879 views / 0 likes - added 8 years ago

Watch 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
02:58 Popular
Nonlinear Equation Graphs — Harder Example | Math | New SAT | Khan Academy

1,269 views / 0 likes - added 8 years ago

Watch 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
02:01 Popular
Radicals And Rational Exponents — Basic Example | Math | New SAT | Khan Academy

1,505 views / 0 likes - added 8 years ago

Watch 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
02:22 Popular
Nonlinear Equation Graphs — Basic Example | Math | New SAT | Khan Academy

766 views / 0 likes - added 8 years ago

Watch 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
01:15 Popular
Polynomial Factors And Graphs — Harder Example | Math | New SAT | Khan Academy

1,316 views / 0 likes - added 8 years ago

Watch 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
01:36 Popular
Polynomial Factors And Graphs — Basic Example | Math | New SAT | Khan Academy

1,082 views / 0 likes - added 8 years ago

Watch 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=
03:13 Popular
Interpreting Nonlinear Expressions — Harder Example | Math | New SAT | Khan Academy

836 views / 0 likes - added 8 years ago

Watch 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
05:55 Popular
Interpreting Nonlinear Expressions — Basic Example | Math | New SAT | Khan Academy

1,867 views / 1 likes - added 8 years ago

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

1,321 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

668 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

881 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

847 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

1,570 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

1,026 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

2,585 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=
04:52
Once a Spawn a Time: Horseshoe Crabs Mob the Beach | Deep Look

180 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

998 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://
05:22
The rise and fall of the Mughal Empire - Stephanie Honchell Smith

110 views / 0 likes - added 1 year ago

Trace the rise and fall of the Mughal Empire, which became one of the wealthiest and most powerful states in the early modern world.--Though he was descended from some of the worlds most successful conquerors, Babur struggled to gain a foothold among the
24:38
Did you know pigeons were used as a type of aerial surveillance? | Nightly News: Kids Edition

77 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
05:57 Popular
Phrases and clauses | Syntax | Khan Academy

1,527 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

1,331 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

816 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

827 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

765 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

715 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
10:16
Decoding the Great Monarch Butterfly Migration

682 views / 3 likes - added 5 years ago

Follow me to Atlas Obscura to learn about the discovery of this place: https://youtu.be/mXc1ZeRlOe0 Grab a headset and experience the monarch forest in VR180: https://youtu.be/fSa605IfTiE ↓↓↓ More info and sources below ↓↓↓ The monarch butterfly migration
11:47 Popular
Bond enthalpy and enthalpy of reaction | Chemistry | Khan Academy

1,153 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
03:43 Popular
How Do You Find Water In The Wild?

1,042 views / 0 likes - added 8 years ago

In case you ever get stranded in the wild without an obvious source of fresh water, here are a few things you can do to collect some. Learn more at HowStuffWorks.com: http://adventure.howstuffworks.com/survival/wilderness/how-to-find-water.htm/printable S
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
05:19
Cyclopia: A Rare Birth Defect That Could Help Cure Cancer

627 views / 0 likes - added 6 years ago

With a greater understanding of biological mechanisms, humans may be able to take a devastating birth defect and turn it into a treatment for cancer. We're conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymo
04:28 Popular
Data Inferences — Harder Example | Math | New SAT | Khan Academy

764 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

1,039 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

425 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
03:01
Could Poop Power Our Cars?

691 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

1,096 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-
44:23
Jacket George | George of the Jungle | Compilation | Cartoons For Kids

375 views / 0 likes - added 2 years ago

George always makes himself useful, even as a jacket...George of the Jungle | Season 2 | Episode 12 | My Georging JacketIt looks like George's reign as king is over when Tiger and Weevil paralyse him with a poisonous No-Licky Frog. But George proves that
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

1,150 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

1,107 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

2,507 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

134 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
03:38 Popular
SCIENCE WARS - Acapella Parody

720 views / 2 likes - added 8 years ago

iTunes: http://apple.co/1IBrCVG Bandcamp: http://bit.ly/1XO9Ik0 SUBSCRIBE: http://bit.ly/asapsci Follow us: @WhaleWatchMePlz and @MitchellMoffit Inspired by the amazing Jon Cozart and his fantastic Disney parodies: https://youtu.be/diU70KshcjA Lyrics by M
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

912 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/
04:36 Popular
These Terrifying Alien Worlds Actually Exist

897 views / 1 likes - added 7 years ago

Astronomers are making amazing exoplanetary discoveries, and some are truly bizarre. DNews breaks down these scary, alien worlds, here. Earth-Like Planet Discovered! What You Need To Know - https://youtu.be/NIz42cy0vLQ Sign Up For The Seeker Newsletter He
03:00 Popular
Commas in dialogue | Punctuation | Grammar | Khan Academy

1,171 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

599 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
05:55
History vs. Tamerlane the Conqueror - Stephanie Honchell Smith

223 views / 0 likes - added 2 years ago

Tamerlane was one of historys greatest conquerors but was he a great state builder or a bloodthirsty tyrant? You decide. --He was born in the 1330s in the Chaghatayid Khanate, formerly the Mongol Empire. On the steppe, he rose from a lowly sheep thief to
04:07
How To Keep Your Goldfish Alive For 15 Years

406 views / 0 likes - added 3 years ago

The longest-living goldfish on record was 43 years old. But while they're supposed to live at least 15 years on average, yours might not have made it to its 5th birthday. The major problem is often toxin accumulation in the tank from fish poop. By seeding
03:00
Appositives | Punctuation | Grammar | Khan Academy

634 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
05:27 Popular
Subordinating conjunctions | The parts of speech | Grammar | Khan Academy

1,250 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
01:51
Punctuating a list | Punctuation | Grammar | Khan Academy

585 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=
07:18 Popular
Origins Of Algebra | Introduction To Algebra | Algebra I | Khan Academy

1,213 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

1,035 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
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
09:11
10 Holiday Movie Easter Eggs You Won't Believe You Missed

418 views / 0 likes - added 3 years ago

Can YOU find the Easter Eggs in these holiday movies? Our reactors sure could...find...some of them!Feeling festive? Check out some more of our holiday episodes: fbereact.com/3ri0yTPWhat's FBE Super? Click for more info on our memberships program: http://
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
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
04:53
Can zoos save species from extinction? - Nigel Rothfels

147 views / 0 likes - added 1 year ago

Dig into the breeding program that saved Takhi horses from extinction, and explore the role of zoos in animal conservation.--For thousands of years, native Takhi horses roamed the steppes of Central Asia. But by the late 1960s, their extinction seemed ine
20:03
Super Mario comes to life at Universal Studios Super Nintendo World! | Nightly News: Kids Edition

222 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

540 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://
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

1,079 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
03:14
The irregular verb gets taken for a ride | Grammar | Khan Academy

592 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
04:50
Did Water Crash Into Earth From Space?

185 views / 0 likes - added 2 years ago

Did water crash into Earth from space by way of a massive comet, or was it around long before our planet's formation? Well, one new study suggests that it might have actually come from the most unlikely source of all: the Sun. Subscribe to Seeker! http://
06:03
The dark history of bananas - John Soluri

421 views / 0 likes - added 3 years ago

Explore the history of the notorious United Fruit Company and how its influence over the banana industry impacted Central America. --In December 1910, the exiled former leader Manuel Bonilla boarded a borrowed yacht and set sail for Honduras in hopes of r
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

609 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

1,090 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
04:55
Why can't governments print an unlimited amount of money? - Jonathan Smith

243 views / 0 likes - added 2 years ago

Explore the economic strategy of quantitative easing, where a central bank purchases bonds in order to boost the economy.--In March 2020, the COVID-19 pandemic rocked economies worldwide. Millions of people lost their jobs, and many businesses struggled t
05:18 Popular
Pronoun number | The parts of speech | Grammar | Khan Academy

875 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

601 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

1,845 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
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

1,886 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

692 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
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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

534 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

386 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
04:53 Popular
Modal verbs | The parts of speech | Grammar | Khan Academy

1,473 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
04:48
The Real Difference Between Irish Butter And Regular Butter

277 views / 0 likes - added 3 years ago

As many discerning grocery shoppers know, Irish butter - particularly Kerrygold - rules over all. It's silky, creamy, and just the right balance of salty and sweet. But what makes Irish butter so udder-ly superior to bland American varieties?For one, it's
22:42 Popular
Scientists Fact Check Natural Disasters In Movies | Vanity Fair

806 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
04:12
Why Do We Have Fingernails And Not Claws? #AskDNews

604 views / 0 likes - added 8 years ago

Nails evolved from claws roughly 50 million years ago. Why did this happen and what purpose do nails serve? Why Do Fingernails Grow Faster Than Toenails? ►►►►http://bit.ly/1MQiFVb Sign Up For The TestTube Newsletter Here ►►►► http://bit.ly/1myXbFG Read Mo
02:31
Perfect Aspect | The parts of speech | Grammar | Khan Academy

690 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

875 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
04:20
88 Piano Keys Control 500,000 Christmas Lights! I Saw Three Ships - The Piano Guys

448 views / 2 likes - added 3 years ago

Get our albums: https://smarturl.it/TPG_ALBUMS WE'RE ON TOUR! https://smarturl.it/tpgtour TPG APPAREL: http://smarturl.it/tpgapparel GET TPG SHEET MUSIC: https://smarturl.it/TPGSheetMusic Download or listen to all of our music! https://ThePianoGuys.lnk.to
02:48 Popular
Adding In Binary | Applying Mathematical Reasoning | Pre-Algebra | Khan Academy

1,038 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/
11:54 Popular
Vascular Plants = Winning! - Crash Course Biology #37

1,100 views / 0 likes - added 9 years ago

Hank introduces us to one of the most diverse and important families in the tree of life - the vascular plants. These plants have found tremendous success and the their secret is also their defining trait: conductive tissues that can take food and water f
01:50
Introduction to verb aspect | The parts of speech | Grammar | Khan Academy

576 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

746 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
04:41 Popular
How Babies Learn? -- Mind Blow #94

954 views / 0 likes - added 8 years ago

Vsauce Webby Vote: http://pv.webbyawards.com/2015/online-film-video/video-channels-and-networks/science-education Mind Blow features the latest news in science, technology and amazing! **** SOURCES AND LINKS *** Cyborg Treatment Prevents Seizures (0:00) h
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

1,102 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
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Inverse Property Of Addition | Arithmetic Properties | Pre-Algebra | Khan Academy

1,794 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
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Introduction To Number Systems And Binary | Pre-Algebra | Khan Academy

616 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.
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1,261 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
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812 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/
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This Bee Gets Punched by Flowers For Your Ice Cream | Deep Look

627 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
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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
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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
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Why Can't We Reverse Nerve Damage?

672 views / 0 likes - added 8 years ago

Science has made incredible strides in improving the way our body heals, except when it comes to nerves. What makes nerves so hard to fix? Are We Close to Repairing Spinal Cord Injuries? ►►►►http://bit.ly/1Q9Fdlg Sign Up For The TestTube Newsletter Here ►
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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
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The Beach Boys | Official Trailer

21 views / 0 likes - added 2 weeks 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
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Sharpshooter Insects are Real Wizzes at Whizzing | Deep Look

39 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
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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
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Markus Eder's The Ultimate Run - The Most Insane Ski Run Ever Imagined

220 views / 0 likes - added 2 years ago

Watch the exclusive behind the scenes on Red Bull TV https://www.redbull.com/int-en/episodes/the-ultimate-run-s1-e2 “Sometimes my mind goes kind of crazy about skiing and I ask myself, what if...?” - Markus Eder What if you could link every po
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1,974 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
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Why CVS Receipts Are Intentionally, Ridiculously Long - Cheddar Explains

198 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
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Solving Percent Problems | Decimals | Pre-Algebra | Khan Academy

892 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
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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
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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
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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
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Smog Almost Killed New York City, Here’s How

637 views / 1 likes - added 7 years ago

Pollution levels around the world today seem astronomical, but in New York City, they used to be deadly. How did this happen and when did it change? When Did Environmentalism Become So Political? https://youtu.be/r0tX54XUcHs?list=UUzWQYUVCpZqtN93H8RR44Qw
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Scientists are obsessed with this lake - Nicola Storelli and Daniele Zanzi

27 views / 0 likes - added 1 month ago

Explore the depths of Lake Cadagno, a meromictic lake that is considered a model for Earth before the Great Oxidation Event.--In the millions of years since oxygen began saturating Earths oceans and atmosphere, most organisms have evolved to rely on this
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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
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Why Crickets Just Won't Shut Up | Deep Look

361 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
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Possessive pronouns | The parts of speech | Grammar | Khan Academy

672 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
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Watch a Baby Lamb Take Its First Steps

415 views / 0 likes - added 4 years ago

Here's an exclusive look at what to expect in our epic three-night broadcast. Please LIKE and SUBSCRIBE if you enjoyed! http://bit.ly/1Adl6ht **More info & videos below**American Spring LIVE premieres April 29, 30 and May 1 at 8|7c on PBS and Facebook: ht
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[Official Video] If I Ever Fall in Love - Pentatonix ft Jason Derulo

682 views / 1 likes - added 6 years ago

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Evolution of Michael Jackson - Pentatonix

678 views / 4 likes - added 6 years ago

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[Official Video] Can’t Sleep Love – Pentatonix

550 views / 1 likes - added 6 years ago

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[Official Video] Can’t Sleep Love – Pentatonix ft Tink

545 views / 2 likes - added 6 years ago

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[Official Video] Where Are Ü Now – Pentatonix (Jack Ü ft. Justin Bieber Cover)

796 views / 4 likes - added 6 years ago

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[Official Video] Sing – Pentatonix

733 views / 3 likes - added 6 years ago

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[Official Video] Joy To The World – Pentatonix

657 views / 1 likes - added 6 years ago

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[Official Video] The First Noel – Pentatonix

762 views / 2 likes - added 6 years ago

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No - Pentatonix (Meghan Trainor Cover)

649 views / 0 likes - added 6 years ago

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[Official Video] Perfume Medley - Pentatonix

600 views / 1 likes - added 6 years ago

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Gold – Pentatonix (Kiiara Cover)

611 views / 0 likes - added 6 years ago

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The Place Where Time Flows Backwards

184 views / 1 likes - added 2 years ago

Watch the new season of MinuteBody - and get access to both CuriosityStream and Nebula - at https://curiositystream.com/minuteearth.People all around the world tend to represent time via space, but theres no consensus on which way time goes.PREORDER OUR F
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942 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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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
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Negative Numbers Introduction | Negative Numbers And Absolute Value | Pre-Algebra | Khan Academy

2,227 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.
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884 views / 4 likes - added 6 years ago

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Why the Male Black Widow is a Real Home Wrecker | Deep Look

566 views / 6 likes - added 4 years ago

Sure, the female black widow has a terrible reputation. But whos the real victim here? Her male counterpart is a total jerk and might just be getting what he deserves. Learn more about CuriosityStream at http://curiositystream.com/deeplook SUBSCRIBE to De
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Did Googles A.I. Just Become Sentient? Two Employees Think So.

210 views / 0 likes - added 1 year ago

Can an A.I. think and feel? The answer is no, but to two Google engineers think this isn't the case. We're at the point where the Turing test looks like it's been conquered. PODCAST:https://www.youtube.com/channel/UC6jKUaNXSnuW52CxexLcOJg--- About ColdFus
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1,604 views / 2 likes - added 6 years ago

Our original album, ‘Undefined,’ is available now: http://smarturl.it/S3Undefined Apple Music - http://smarturl.it/S3Undefined/applemusic Spotify - http://smarturl.it/S3Undefined/spotify Amazon - http://smarturl.it/S3Undefined/amazonmusicliste
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738 views / 0 likes - added 7 years ago

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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=
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343 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
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Experience the 80s & 90s with American Girl | Movies, Music, & More!

146 views / 0 likes - added 11 months ago

Check out all of American Girl's historical characters! Watch NEW American Girl videos http://bit.ly/AGNewVideosWatch ALL the AG series! Newest American Girl Videos - http://bit.ly/AGPopularUploads Designer House | Animated Series - https://bit.ly/AGDesig
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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
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Irregular plural nouns | foreign plurals | The parts of speech | Grammar | Khan Academy

645 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
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How to Wire a Computer Like a Human Brain

313 views / 0 likes - added 3 years ago

The goal of neuromorphic computing is simple: mimic the neural structure of the brain. Meet the current generation of computer chips that's getting closer to reaching this not-so-simple goal. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more E
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1,168 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
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473 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
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787 views / 2 likes - added 5 years ago

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2,139 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
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789 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
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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&
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1,919 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
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701 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
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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

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