Search Results: "Earth's Rotation & Revolution: Crash Course Kids 8.1"

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04:01 Popular
Earth's Rotation & Revolution: Crash Course Kids 8.1

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

So, have you ever wondered why we have seasons? Or maybe where the sun goes when it's night time? *Hint: It doesn't actually go anywhere* In this episode of Crash Course Kids, Sabrina talks about the Earth's rotation and revolution and how these things co
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Op Amp Circuits: Analog Computers from operational amplifiers

491 views / 0 likes - added 5 years ago

Adders, integrators, differentiators, buffers, and a basic introduction to op amp circuits. My Patreon Page: https://www.patreon.com/EugeneK
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The Modern Revolution: Crash Course Big History #8

812 views / 0 likes - added 9 years ago

In which Hank and John Green teach you a Crash Course on the modern revolution, and the upside of the progress that humanity has made in the last 500 years or so. And while there are two sides to every history, and many of these changes haven't been great
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What On Earth: Crash Course Kids #10.1

1,288 views / 2 likes - added 8 years ago

We've already talked about how the Earth is divided into four spheres (The Hydrosphere, the Biosphere, the Geosphere, and the Atmosphere). But, how do these different sphere interact with each other? In this episode of Crash Course Kids, Sabrina chats wit
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Everything Revolves Around You: Crash Course Kids #22.1

942 views / 1 likes - added 8 years ago

So, why doesn't the moon just crash into the Earth? And why doesn't the Earth crash into the Sun? What are orbits exactly and why do they happen? Well, it has to do with gravity and velocity. In this episode of Crash Course Kids, Sabrina talks to us about
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Got Some Solutions?: Crash Course Kids #26.1

1,184 views / 0 likes - added 8 years ago

So, there might not be just one solution to a problem. I know that may sound weird, but it's true. So, how do you come up with multiple solutions? In this episode of Crash Course Kids, Engineer Sabrina shows us how to do that. Watch More Crash Course Kids
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The Agricultural Revolution: Crash Course World History #1

842 views / 0 likes - added 9 years ago

Crash Course World History is now available on DVD! Visit http://dft.ba/-CCWHDVD to buy a set for your home or classroom. You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything
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The French Revolution: Crash Course World History #29

1,416 views / 3 likes - added 9 years ago

In which John Green examines the French Revolution, and gets into how and why it differed from the American Revolution. Was it the serial authoritarian regimes? The guillotine? The Reign of Terror? All of this and more contributed to the French Revolution
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Four Spheres Part 1 (Geo And Bio): Crash Course Kids #6.1

1,565 views / 5 likes - added 8 years ago

In this episode of Crash Course Kids, Sabrina talks about two of the four spheres that make up our planet; The Geosphere and the Biosphere. What's in these spheres? How do they affect us? How do they fit into the puzzle that is Earth? All is contained wit
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Down To Earth: Crash Course Kids #4.2

1,626 views / 0 likes - added 8 years ago

In this episode of Crash Course Kids, Sabrina talks about why things on the bottom of the Earth, don't just fall off into space. Plus... PENGUINS! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Course Kids! /
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The Nervous System, Part 1: Crash Course A&P #8

1,172 views / 1 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Kerry FROM: Cale I love you with all my ha-art. Deadset. *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can aff
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Gotta Eat! - Crash Course Kids 1.1

1,171 views / 2 likes - added 8 years ago

Welcome to Crash Course Kids. In this first episode, Sabrina takes a look at why all living things need to eat. Plus, she shows you a way to investigate why all living things need to eat. This first series is based on 5th grade science. We're super excite
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Here Comes The Sun: Crash Course Kids #5.1

1,986 views / 7 likes - added 8 years ago

Updated with fix. Thanks for pointing that out!!! :) Every hear of "Sol"? Sure you have! It's our Sun! It sits at the center of our 8 planet solar system, providing us with heat and light. But how does that energy get to us? In this episode of Crash Cours
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Following The Sun: Crash Course Kids #8.2

1,943 views / 7 likes - added 8 years ago

Have you ever wondered why your shadow is longer sometimes and shorter others? It turns out it all has to do with that marvelous big ball of light in the sky; The Sun! This first series is based on 5th grade science. We're super excited and hope you enjoy
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Defining Gravity: Crash Course Kids #4.1

1,965 views / 7 likes - added 8 years ago

So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling things down, what we
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The Great Escape: Crash Course Kids #13.1

1,239 views / 2 likes - added 8 years ago

Do you know how many people have been to the moon? Only 12! Part of the reason it's so few is because of how difficult it is to escape Earth and get into space in the first place. In this episode of Crash Course Kids, Sabrina talks about gravity, escape v
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Taxes&Smuggling - Prelude to Revolution: Crash Course US History #6

824 views / 1 likes - added 9 years ago

In which John Green teaches you about the roots of the American Revolution. The Revolution did not start on July 4, 1776. The Revolutionary War didn't start on July 4 either. (as you remember, I'm sure, the Revolution and the Revolutionary War are not the
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Danger! Falling Objects: Crash Course Kids #32.1

1,313 views / 1 likes - added 8 years ago

So, what would happen if you dropped a hammer and a feather at the same time, from the same height? Well, the hammer would hit the ground first, right? But why? You might think it's because the hammer is heavier, or has more mass than the feather. But it'
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Coal, Steam, and The Industrial Revolution: Crash Course World History #32

901 views / 1 likes - added 9 years ago

Mongols Shirts and Crash Course Posters! http://www.dftba.com/crashcourse In which John Green wraps up revolutions month with what is arguably the most revolutionary of modern revolutions, the Industrial Revolution. While very few leaders were beheaded in
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The Basics Of Freshwater: Crash Course Kids 14.1

1,965 views / 6 likes - added 8 years ago

We have a lot of water on Earth, but we also can't actually drink much of it... or use it for farming. That's because most of the water on Earth is saltwater. We humans, like a lot of living things, need freshwater to survive. In this episode of Crash Cou
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Resources: Welcome To The Neighborhood - Crash Course Kids #2.1

1,646 views / 8 likes - added 8 years ago

Welcome to the Neighborhood! Humans need a lot of things to survive (I'm sure you've noticed). We need food, water, and shelter and it takes a lot of resources to get all of those things. What are resources? In this episode of Crash Course Kids, Sabrina t
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The History Of Life On Earth - Crash Course Ecology #1

1,242 views / 0 likes - added 8 years ago

With a solid understanding of biology on the small scale under our belts, it's time for the long view - for the next twelve weeks, we'll be learning how the living things that we've studied interact with and influence each other and their environments. Li
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The Industrial Revolution: Crash Course European History #24

581 views / 0 likes - added 4 years ago

We've talked about a lot of revolutions in 19th Century Europe, and today we're moving on to a less warlike revolution, the Industrial Revolution. You'll learn about the development of steam power and mechanization, and the labor and social movements that
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Seasons And The Sun: Crash Course Kids 11.1

2,244 views / 1 likes - added 8 years ago

Updated with graphics fixed. Thanks for pointing that out! Ever wonder why we have seasons? A lot of people think it's because the Earth gets further away from the sun in winter, and closer in the summer. But, it's actually more interesting than that. In
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Scientific Revolution: Crash Course European History #12

1,054 views / 0 likes - added 4 years ago

There was a lot of bad stuff going on in Europe in the 17th century. We've seen wars, plagues, and unrest of all types. But, there is some good news. Huge advances were underway in the scientific community in Europe at this time. In this video we'll look
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French Revolution (Part 1)

803 views / 1 likes - added 9 years ago

Part 1 of the French Revolution. From the Convocation of the Estates General to the storming of the Bastille More free lessons at: http://www.khanacademy.org/video?v=BDWqwcTtZa0
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Ford, Cars, and a New Revolution: Crash Course History of Science #28

445 views / 0 likes - added 4 years ago

Historians love to debate each other. So some of them pointed out that the first half of this revolution looks a lot different from the second. Let's chat about industry, cars, and Henry Ford.***Crash Course is on Patreon! You can support us directly by s
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The French Revolution: Crash Course European History #21

521 views / 0 likes - added 4 years ago

In 1789, the French Monarchy's habit of supporting democratic popular revolutions in North America backfired. Today, we're talking about the French Revolution. Across the world, people were rising up to throw off monarchies, and Louis didn't see the writi
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Fabulous Food Chains: Crash Course Kids #7.1

1,417 views / 4 likes - added 8 years ago

Everyone eats, right? But how does that food get the energy to power you? In this episode of Crash Course Kids, Sabrina talks about the way energy moves, or flows, through an ecosystem and how that movement forms Food Chains! This first series is based on
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Who Needs Dirt?: Crash Course Kids #27.1

1,611 views / 2 likes - added 8 years ago

So... do plants need dirt? The truth might shock you. In this episode of Crash Course kids, Sabrina talks about how plants get energy and how that energy is transported around them. Also, she talks about dirt. Watch More Crash Course Kids: https://www.you
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Land And Water: Crash Course Kids #16.1

1,217 views / 2 likes - added 8 years ago

Remember Sol, the closest star to Earth? We like to call it The Sun and we haven't talked about it in a little while. One interesting thing about the energy we get from the sun is that it's not absorbed the same way by different materials. In fact, even a
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Water Fight!: Crash Course Kids #36.1

1,482 views / 1 likes - added 8 years ago

So, what happens when there's not enough water? Well... not good things. Do we let homes have more water for showering and cooking? Or do we let farms have the water for growing crops? There aren't any easy solutions, but today Sabrina chats with us about
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Life On Other Planets: Crash Course Kids #45.1

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

Have you ever wondered if there is anyone (or anything) else out there in the universe? Well, you're not alone. But what would alien life look like? And what would their food chains and food webs look like? In this episode of Crash Course Kids, Sabrina gi
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Living Things Change: Crash Course Kids #41.1

1,315 views / 3 likes - added 8 years ago

Have you ever heard of the Peppered Moth? It's a great example of how living things can change because their environment has changed. And it's not just them! There used to be giant insects roaming the world, but they got smaller through time because their
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The Robot Challenge: Crash Course Kids #47.1

720 views / 0 likes - added 8 years ago

Robots! They're everywhere. We use them for all kinds of things that we can't, or don't want to do. In this episode of Crash Course Kids, Sabrina shares a problem with us that can probably be solved by building an awesome robot. So let's take the robot ch
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What's An Engineer? Crash Course Kids #12.1

1,399 views / 3 likes - added 8 years ago

You've heard of Engineers, I'm sure. But, what are Engineers? Well, it turns out that they're all kinds of people doing all kinds of neat work! Want to be one? Well, join Sabrina in this episode of Crash Course Kids where she talks about what they do and
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Feed Me: Classifying Organisms - Crash Course Kids #1.2

2,059 views / 5 likes - added 8 years ago

FEED ME! In this episode of Crash Course Kids, Sabrina has a chat with us about what living things eat to get energy. What makes something an omnivore, or a carnivore, or an herbivore? And how do plants fit in to all of this? This first series is based on
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Defining A Problem: Crash Course Kids #18.1

1,496 views / 0 likes - added 8 years ago

So, how do engineers even figure out what problem needs to get fixed? And what's the difference between identifying a problem and just complaining about something. In this episode of Crash Course Kids, Sabrina talks about how we can all be better Engineer
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Super Stars (Constellations): Crash Course Kids #31.1

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

So, you know about stars. But what if those stars formed a super group like The Avengers? Well, then you have a Constellation! In this episode of Crash Course Kids, Sabrina chats about stars, constellations, and how humans have used constellations to tell
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H2O-NO! - Fresh Water Problems: Crash Course Kids #33.1

1,097 views / 2 likes - added 8 years ago

What happens to a single ecosystem when the amount of freshwater available in it changes? Not really much good. In this episode of Crash Course Kids, Sabrina talks about ecosystems and how one small change can lead to a cascade effect in the entire ecosys
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Spaced Out: Crash Course Kids #25.1

750 views / 2 likes - added 8 years ago

So... how big is the Universe? It's big... really big... no, bigger than that... it's big. In this episode of Crash Course Kids, Sabrina gives us some perspective on this whole Universe thing and how we fit into it. Watch More Crash Course Kids: https://w
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Tea, Taxes, and The American Revolution: Crash Course World History #28

1,353 views / 7 likes - added 9 years ago

In which John Green teaches you about the American Revolution and the American Revolutionary War, which it turns out were two different things. John goes over the issues and events that precipitated rebellion in Britain's American colonies, and he also ex
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Weather Vs. Climate: Crash Course Kids #28.1

2,289 views / 5 likes - added 8 years ago

So we have Weather and Climate... but are they the same thing? No, no they are not. But they are both super important to how the geosphere is shaped. In this episode of Crash Course Kids, Sabrina chats with us about the differences between Weather and Cli
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What's Matter? - Crash Course Kids #3.1

3,054 views / 12 likes - added 8 years ago

Hey... what's matter? No no no, not what's THE matter. What's MATTER? In this episode of Crash Course Kids, Sabrina talks about what matter is and the three states of matter: Solid, Liquid, and Gas. She also does a quick experiment that you can do at home
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Succeed By Failing: Crash Course Kids #42.1

867 views / 0 likes - added 8 years ago

We all know that failure is bad... but is it? Actually, Engineers need things to fail so they can understand how to make things better. In this episode of Crash Course Kids, Sabrina chats to us about failure points and how they can help us find better sol
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The Great Picnic Mix Up: Crash Course Kids #19.1

1,809 views / 1 likes - added 8 years ago

So you know that iced tea you like so much? Or that sweet soda drink? They're actually a few different things combined to make a new thing. In this episode of Crash Course Kids, Sabrina talks about all the different mixtures, solutions, and ants that can
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The Great Aqua Adventure: Crash Course Kids #24.1

882 views / 3 likes - added 8 years ago

Water travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and how you can create
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Current Events: Crash Course Kids #34.1

1,249 views / 2 likes - added 8 years ago

What are air currents? Air currents are like rivers of wind caused by areas of high and low pressure.The air above the land is warmer and less dense, so it rises. The air over the water is cooler and heavier. The cool air rushes in toward the low-pressure
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Home Sweet Habitat: Crash Course Kids #21.1

1,104 views / 3 likes - added 8 years ago

How would a Polar Bear do if you put it in the desert? Not well. But why? Why can't anything live anywhere? Well, this has to do with Habitats and how animals (including humans) are suited for living in one place over another. In this episode, Sabrina tal
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The Zodiac Constellations: Crash Course Kids #37.1

904 views / 2 likes - added 8 years ago

We've talked about constellations; groups of stars in the night sky that we assign names to. But there are a certain group of special constellations called The Zodiac that Sabrina is going to chat about. Gemini, Sagittarius, Scorpio? You've heard of them
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Bowled Over - Isolating Variables: Crash Course Kids #39.1

774 views / 0 likes - added 8 years ago

So, variables. There are lots of them when trying to test an idea. The trick is to isolate one variable at a time to get reliable results every time. But, how do we do that? In this episode of Crash Course Kids, Sabrina shows us how to isolate variables a
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The Market Revolution: Crash Course US History #12

781 views / 0 likes - added 9 years ago

In which John Green teaches you about the Market Revolution. In the first half of the 19th century, the way people lived and worked in the United States changed drastically. At play was the classic (if anything in a 30 year old nation can be called classi
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Designing A Trial: Crash Course Kids #44.1

866 views / 1 likes - added 8 years ago

It's time to design some trials. Sometimes engineers need to figure out how to test ideas. In order to do that, we need to design trials to find failure points and see how things are going to work in the real world (with gravity, wind, and human error all
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Material World: Crash Course Kids #40.1

1,442 views / 0 likes - added 8 years ago

So, we know what materials are, but can we make new materials? Or improve the materials we already have? In this episode of Crash Course Kids, Sabrina shows us how Material Scientists are working on these two things today. Also, your cell phone holds the
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Russian Revolution and Civil War: Crash Course European History #35

693 views / 0 likes - added 4 years ago

World War I was very hard on the Russian Empire. So hard, in fact, that it led to the end of the Russian Empire. As the global conflict ground on, Tsar Nicholas II faced increasing unrest at home. Today we'll learn about the Revolutions of 1917, the rise
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Hunting For Properties: Crash Course Kids #9.1

789 views / 1 likes - added 8 years ago

Remember pre-school? If not, IT WAS SO MUCH EASIER! But when you were stacking blocks and figuring out which block went into which shaped hole, you were learning about properties. In this episode of Crash Course Kids, Sabrina talks about what properties a
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Weather In Space (the Rocky Planets): Crash Course Kids #43.1

947 views / 4 likes - added 8 years ago

Do other planets have weather? It turns out that, yes, they do! But, the weather isn't all the same on other planets because of things like atmosphere. In this episode of Crash Course Kids, Sabrina takes us on a tour of the weather on the rocky planets in
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Soviet Montage: Crash Course Film History #8

661 views / 0 likes - added 6 years ago

Russia went and had a revolution in 1917 and cinema was a big part of its aftermath. Even though film stock was hard to come by, we saw the first film school started, and the study of film became hugely important. Russian filmmakers started trying to unde
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The Industrial Revolution: Crash Course History of Science #21

403 views / 0 likes - added 4 years ago

You probably know some of the signs of industrialization in the nineteenth century: Trains connected cities, symbolizing progress. But they also brought about the destruction of rural lands, divisions between social classes, and rapid urbanization. But th
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Wood, Water, And Properties: Crash Course Kids #15.1

822 views / 1 likes - added 8 years ago

Quick, think of three words to describe yourself. TIME'S UP! What did you think of? Chances are you thought of descriptive words that we call Properties. In this episode of Crash Course Kids, Sabrina talks about how properties help us understand objects.
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Let's Build A City: Crash Course Kids #48.1

803 views / 3 likes - added 8 years ago

So, we've built a lot of things over the last year and we've become awesome engineers in the process. But now it's time for a real challenge. Let's build a city! That's right, you heard me! In this episode, Sabrina shows us what we need to think about whe
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Oobleck And Non-Newtonian Fluids: Crash Course Kids #46.1

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

Ever heard of Oobleck? How about Non-Newtonian fluids? Well, today Sabrina is going to show us that things can sometimes behave like a solid, and sometimes like a liquid depending on how much force is applied to them. In this episode of Crash Course Kids,
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Landforms, Hey!: Crash Course Kids #17.1

1,901 views / 8 likes - added 8 years ago

If you look out your window, you'll probably notice a bunch of things; houses, streets... hopefully a tree. But beyond that you'll see things like mountains, rivers, volcanoes... well, hopefully not a volcano. These are landforms and they come in differen
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Let's Take A Hike: Crash Course Kids #30.1

915 views / 2 likes - added 8 years ago

Today we're going to take a hike up Mt. Kilimanjaro so we can talk about how the geosphere changes based on many different things. On the same mountain we can travel through many different habitats like rain forests, savannas, and moorlands. Let's take a
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Rotation and Torque - Physics 101 / AP Physics 1 Review with Dianna Cowern

875 views / 0 likes - added 3 years ago

Lesson 14 (Rotation and Torque) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this video: 1. If you are s
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The Railroad Journey and the Industrial Revolution: Crash Course World History 214

743 views / 2 likes - added 9 years ago

In which John Green teaches you about railroads, and some of the ways they changed the world, and how they were a sort of microcosm for the Industrial Revolution as a whole. Prior to the invention of steam powered railroads, pretty much all locomotion had
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Who Won the American Revolution?: Crash Course US History #7

1,039 views / 1 likes - added 9 years ago

In which John Green teaches you about the American Revolution. And the Revolutionary War. I know we've labored the point here, but they weren't the same thing. In any case, John will teach you about the major battles of the war, and discuss the strategies
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Einstein's Revolution: Crash Course History of Science #32

331 views / 0 likes - added 4 years ago

There was physics before Einstein in the same way that there was biology before Darwin. Einstein didnt just add some new ideas to physics. And he didnt just add a unifying framework for doing physics, like Newton. Einstein took what people thought was phy
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Vacation Or Conservation (Of Mass): Crash Course Kids #23.1

4,184 views / 0 likes - added 8 years ago

So when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids, Sabrina shows us how Co
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Organizing Properties: Crash Course Kids #35.1

753 views / 1 likes - added 8 years ago

Have you ever thought about all the different kinds of groups you’re a part of? Like, there’s the friends you hang out with and your family, your hockey team, your Crash Course fan club, and that’s just for starters! And even though these groups are total
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The Reagan Revolution: Crash Course US History #43

1,169 views / 1 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Free is nice, but if you can afford to pay a little every month, it really helps us to continue producing th
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What Is Myth? Crash Course Mythology #1

971 views / 4 likes - added 7 years ago

Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the foundational stories of a
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Big Changes In The Big Apple: Crash Course Kids #38.1

776 views / 1 likes - added 8 years ago

Did you know that all living things change their environments? It's true. Beavers, deer, worms, and humans all change their environments. It just so happens that humans change our environments in big, obvious ways. In this episode, Sabrina chats about how
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The Hydrologic And Carbon Cycles: Always Recycle! - Crash Course Ecology #8

1,271 views / 0 likes - added 8 years ago

Hank introduces us to biogeochemical cycles by describing his two favorites: carbon and water. The hydrologic cycle describes how water moves on, above, and below the surface of the Earth, driven by energy supplied by the sun and wind. The carbon cycle do
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Reform and Revolution 1815-1848: Crash Course European History #25

491 views / 0 likes - added 4 years ago

In the aftermath of the revolutions and upheaval in 18th and early 19th century Europe, there was a hunger for reform across the continent. Reformers like Robert Owen, Charles Fourier, and Auguste Comte proposed radical new ideas, and at the same time, re
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Newtonian Gravity: Crash Course Physics #8

643 views / 1 likes - added 7 years ago

I'm sure you've all heard about Isaac Newton and that apple that fell on his head and how that was a huge deal to our understanding of gravity. Well... let's talk about that. In this episode of Crash Course Physics, Shini sits down to talk about the reali
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Fiscal Policy And Stimulus: Crash Course Economics #8

1,202 views / 0 likes - added 8 years ago

In which Jacob and Adriene teach you about the evils of fiscal policy and stimulus. Well, maybe the policies aren't evil, but there is an evil lair involved. In this episode we learn how government use taxes and spending influence the economy. Sometimes t
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Liberty's Kids 133 - Deborah Samson Soldier of the Revolution | History Videos For Kids

1,347 views / 9 likes - added 4 years ago

Subscribe to Liberty's Kids : http://bit.ly/2ivIdi6 Benjamin Franklin enlists the help of young people to record the happenings leading up to and during the Revolution for his newspaper the Pennsylvania Gazette. First, there is a James Hiller, a patriot w
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Photosynthesis: Crash Course Biology #8

1,046 views / 3 likes - added 9 years ago

Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well. Crash Course Biology is now available on DVD! http://dftba.com/pro
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The Cinematographer: Crash Course Film Production #8

558 views / 0 likes - added 6 years ago

Who takes the pictures in a movie? Who is responsible for making a movie look good, or creating meaning with light and shadow, or make an action scene clear and thrilling? A lot of the time, that's the job of the cinematographer. In this episode of Crash
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Rotation in R3 around the X-axis

630 views / 0 likes - added 9 years ago

Construction a rotation transformation in R3 More free lessons at: http://www.khanacademy.org/video?v=gkyuLPzfDV0
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Consciousness - Crash Course Psychology #8

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

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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The Personal Computer Revolution: Crash Course Computer Science #25

597 views / 3 likes - added 6 years ago

Today we're going to talk about the birth of personal computing. Up until the early 1970s components were just too expensive, or underpowered, for making a useful computer for an individual, but this would begin to change with the introduction of the Alta
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Helix Rotation

303 views / 0 likes - added 4 years ago

Best Illusion of the Year Contest - 2019Title: Helix Rotation Author: Arthur G. ShapiroInstitution: American University Country: USA
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Torque, Levers, and the Universal Law of Rotation

377 views / 0 likes - added 5 years ago

Covers angular momentum, moment of inertia, torque, center of mass, angular acceleration, and many other topics regarding the physics of rotation.
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Constellation Location: Crash Course Kids #31.2

930 views / 2 likes - added 8 years ago

Let's say you're looking for a specific constellation in the sky, but can't find it? That could be because you're on the wrong part of the planet to see it. In this episode of Crash Course Kids, Sabrina talks about how the Earth's rotation and axis can af
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Test Anxiety: Crash Course Study Skills #8

602 views / 0 likes - added 6 years ago

Exams can be terrifying. It’s easy to feel like the weight of the world rests in these moments – like this one test determines your grades and, in turn, your whole future – even if you know, rationally, that this isn’t really the case. What’s worse is tha
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Reversibility & Irreversibility: Crash Course Engineering #8

299 views / 0 likes - added 4 years ago

How do we design the most efficient machines and processes? Today well try to figure that out as we discuss heat & work, reversibility & irreversibility, and how to use efficiency to measure a system. Crash Course Engineering is produced in association wi
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The man who saved a Billion lives, Norman Borlaug: The Green Revolution

273 views / 0 likes - added 3 years ago

This video is a tribute to Nobel prize winner, Norman Borlaug, a plant breeder who touched over a billion lives with his determination to stop world hunger. This story features the challenges and successes that Borlaug and his team faced as they developed
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Fourth Dimension rotation of 4D spheres, tetrahedrons, and cubes

445 views / 0 likes - added 5 years ago

Rotation of 4D tetrahedrons, tesseracts, and spheres. My Patreon account: https://www.patreon.com/EugeneK
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Digestive System, Part 1: Crash Course A&P #33

1,788 views / 5 likes - added 8 years ago

Nachos are delicious. And versatile because today they're also going to help us learn a thing or two about your digestive system. Nachos can provide us with energy and raw materials, by first ingesting something nutritious, propelling it through the alime
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Commerce, Agriculture, and Slavery: Crash Course European History #8

404 views / 0 likes - added 4 years ago

We've been talking a lot about kings, and queens, and wars, and religious upheaval for most of this series, but let's take a moment to zoom out, and look at the ways that individuals' lives were changing in the time span we've covered so far. Some people'
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Monitoring Human Impact on Earth with Landsat 8

289 views / 0 likes - added 4 years ago

Tune in and join the conversation during the premiere of "Eyes in the Skies: Bringing the Universe Down to Earth" on Friday, December 20th at 8pm EST.For the last half century we have slipped the surly bonds of earth with landers, rovers and spacecraft th
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Ecology - Rules for Living on Earth: Crash Course Biology #40

2,215 views / 0 likes - added 9 years ago

Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been interacting with ea
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8 Planets, 8 Experiments, 8 Minutes! | Maddie Moate

842 views / 0 likes - added 6 years ago

8 Planets, 8 Experiments, 8 Minutes! Thank you so much to Eureka! The National Children's Museum for having me come and film their awesome space. It's an absolute honour to join the Eureka team as an ambassador in celebration of their 25th birthday! I can
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Haitian Revolution (Part 1)

584 views / 0 likes - added 9 years ago

Slaves rebel in Saint-Domingue (Haiti). Rise of Toussaint L'Ouverture. More free lessons at: http://www.khanacademy.org/video?v=Qz5zFzvbib4
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Over (to) The Moon: Crash Course Kids #13.2

1,029 views / 1 likes - added 8 years ago

Sabrina gets a new set in this episode of Crash Course Kids. Do you want to be an astronaut? Would you like to someday walk on the moon? Well, you better learn a little about gravity so you can escape from Earth and head into space. Today, Sabrina chats w
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Karl Popper, Science, And Pseudoscience: Crash Course Philosophy #8

708 views / 1 likes - added 8 years ago

The early 1900s was an amazing time for Western science, as Albert Einstein was developing his theories of relativity and psychology was born, as Sigmund Freud and psychoanalysis took over the scientific mainstream. Karl Popper observed these developments
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Urinary System, Part 1: Crash Course A&P #38

985 views / 1 likes - added 8 years ago

Even though you probably don't choose to spend a lot of time thinking about it, your pee is kind of a big deal. Today we're talking about the anatomy of your urinary system, and how your kidneys filter metabolic waste and balance salt and water concentrat
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Instructions & Programs: Crash Course Computer Science #8

636 views / 1 likes - added 7 years ago

Take the 2017 PBS Digital Studios Survey: http://surveymonkey.com/r/pbsds2017. Today we’re going to take our first baby steps from hardware into software! Using that CPU we built last episode we’re going to run some instructions and walk you through how a
The Scientific Revolution: Crash Course History of Science #12

327 views / 0 likes - added 4 years ago
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Tides: Crash Course Astronomy #8

1,089 views / 1 likes - added 9 years ago

Today Phil explores the world of tides! What is the relationship between tides and gravity? How do planets and their moons become tidally locked? What would happen if you were 300km tall? Important questions. -- Gravity Over Distance 0:44 Tidal Force Para
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Astronaut Experiment: Crash Course Kids #32.2

714 views / 2 likes - added 8 years ago

Air resistance! It's a thing! In this episode of Crash Course Kids, Sabrina does her own Astronaut Experiment to show us how we can prove it! Watch More Crash Course Kids: https://www.youtube.com/user/crashcoursekids ///Standards Used in This Video/// 5-P
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Quantum Mechanics - Part 1: Crash Course Physics #43

700 views / 0 likes - added 7 years ago

What is light? That is something that has plagued scientists for centuries. It behaves light a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces to the idea of Quantum Mechanics and how it helps us under
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Points After Rotation | Transformations | Geometry | Khan Academy

1,116 views / 1 likes - added 8 years ago

Points after rotation Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/rotations-1?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson: https://w
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Screenplays: Crash Course Film Production #1

600 views / 0 likes - added 6 years ago

If you want to make a movie, generally you're going to want to start with a script. In this episode of Crash Course Film Production, Lily Gladstone talks about the basics of screenplays and how to get started thinking about and actually writing your movie
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What Is A Game?: Crash Course Games #1

826 views / 1 likes - added 8 years ago

Welcome to Crash Course Games! In this series our host Andre Meadows is going to discuss the history and science of games. We’re going to talk about video games of course, but also board games, role playing games, card games, even sports! But before we ge
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The Real Reason Planes Crash | Boeing 737 Max 8

516 views / 0 likes - added 5 years ago

Computer bugs, technical failure, company design, or scandal? What If Your Airplane Door Opens Mid-Flight? https://youtu.be/eEDZuFw34YM Listen to Sidenote: https://youtu.be/rCWyU77wTQA WATCH MORE! Tech!: https://youtube.com/playlist?list=PLv... Health!: h
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That's Why Carbon Is A Tramp: Crash Course Biology #1

1,431 views / 0 likes - added 9 years ago

And thus begins the most revolutionary biology course in history. Come and learn about covalent, ionic, and hydrogen bonds. What about electron orbitals, the octet rule, and what does it all have to do with a mad man named Gilbert Lewis? It's all containe
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The Integumentary System, Part 1 - Skin Deep: Crash Course A&P #6

859 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Ciaran FROM: your sister Jillian Happy birthday! Hope you enjoy being immortalized via doobly-doo! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with ev
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Curiosity Mars Rover Snaps 1.8 Billion-Pixel Panorama (narrated video)

314 views / 1 likes - added 4 years ago

NASA Curiosity Project Scientist Ashwin Vasavada guides this tour of the rover's view of the Martian surface. This panorama showcases "Glen Torridon," a region on the side of Mount Sharp that Curiosity is exploring. The panorama was taken between Nov. 24
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Defining Rotation Example | Transformations | Geometry | Khan Academy

1,692 views / 0 likes - added 8 years ago

Defining rotation example Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/hs-geo-rotations/e/defining-rotations?utm_source=YT&utm_medium=Desc&utm_campaign=Geometry Watch the next lesson
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Introduction To Intellectual Property: Crash Course IP 1

819 views / 0 likes - added 9 years ago

This week, Stan Muller launches the Crash Course Intellectual Property mini-series. So, what is intellectual property, and why are we teaching it? Well, intellectual property is about ideas and their ownership, and it's basically about the rights of creat
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Orbits Are Odd: Crash Course Kids #22.2

763 views / 0 likes - added 8 years ago

Last week we talked about the orbits of the Earth and our Moon. But today we're going to go a little bigger... well, a lot better. Did you know that there is a massive Black Hole at the center of our Galaxy? Or that Pluto's orbit is really... weird? Today
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Intro To Economics: Crash Course Econ #1

910 views / 1 likes - added 8 years ago

In which Jacob Clifford and Adriene Hill launch a brand new Crash Course on Economics! So, what is economics? Good question. It's not necessarily about money, or stock markets, or trade. It's about people and choices. What, you may ask, does that mean. We
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Early Computing: Crash Course Computer Science #1

815 views / 0 likes - added 7 years ago

Hello, world! Welcome to Crash Course Computer Science! So today, we’re going to take a look at computing’s origins, because even though our digital computers are relatively new, the need for computation is not. Since the start of civilization itself, hum
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Awesome 8 Animals | 13 Minutes | Nat Geo Kids Compilation | @natgeokids

25 views / 0 likes - added 4 days ago

Get the wildest, craziest, and coolest facts about animals in this show!00:00 Wildest Cats in the WorldGet ready for a purr-fect countdown of eight of the WILDEST, BIGGEST, and COOLEST cats in the world!01:45 Cutest Critters You'll Want to CuddleWatch as
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Congressional Leadership: Crash Course Government and Politics #8

648 views / 0 likes - added 9 years ago

This week Craig Benzine explores the leadership structure of congress. We’ll break out the clone machine to examine the responsibilities of the speaker of the house, the majority and minority leaders as well as the majority and minority whips in both the
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Water Fix!: Crash Course Kids #36.2

1,075 views / 3 likes - added 8 years ago

How can we fix water shortages? Well, we know that shortages are a problem and can cause fighting because water is a resource. When you limit a resource, things get scary. But, in this episode of Crash Course Kids, Sabrina talks about ways that we can hel
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The Adding by 1 Song (Math Facts) - Addition Song for Kids | Silly School Songs

1,457 views / 0 likes - added 3 years ago

This fun addition song for kids teaches how to add by 1 up to 10, both forwards and backwards. The rhythm supports long-term memory development of the math facts. Enjoy! For more music and information, please visit http://sillyschoolsongs.com. Lyrics:It's
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Make an AI sound like a YouTuber (LAB): Crash Course AI #8

311 views / 0 likes - added 4 years ago

Please take the PBS Digital Studios survey here! https://www.pbsresearch.org/c/r/CC_YTvideoFollow Along: https://colab.research.google.com/drive/1f8ik5kSPEvDCcM7R_-Wb3AjifizVEsHD Lets try to help John Green Bot sound a bit more like the real John Green us
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Sega And More Mature Video Games: Crash Course Games #8

1,499 views / 6 likes - added 7 years ago

So we ended the last episode nearing the close of the 1980s and Nintendo had become the dominant player in the home console market, but Sega, originally a slot machine game company during World War 2, was looking to get its own console into players’ homes
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Acid-Base Reactions in Solution: Crash Course Chemistry #8

1,416 views / 0 likes - added 9 years ago

Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in the processes tha
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Movies are Magic: Crash Course Film History #1

735 views / 0 likes - added 7 years ago

Well, they're not really "magic." Maybe "illusion" is a better way to say it. As we begin this journey of the history of cinema, we need to understand how movies trick our brains into even understanding that a movie is a movie. In this episode of Crash Co
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Up, Up & Away: Crash Course Kids #16.2

1,001 views / 0 likes - added 8 years ago

So... what makes the wind? You might be surprised to learn that it has to do with two of Earth's spheres; The Hydrosphere and the Geosphere. In this episode of Crash Course Kids, Sabrina takes us to the beach to chat about how the wind comes into being an
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Tissues, Part 1: Crash Course A&P #2

889 views / 0 likes - added 9 years ago

•••SUBBABLE MESSAGE••• TO: Jordan Schoonover FROM: Mom, Dad&Madison Happy Birthday Jordan! We love you sweetheart!! *** You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything w
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How A Meteorite Crash Ended The Age Of Dinosaurs | Life Of Earth From Space

354 views / 1 likes - added 4 years ago

Experts detail and speculate how a meteorite crash contributed towards the extinction of dinosaurs on planet Earth. Subscribe to Discovery UK for more great clips:http://www.youtube.com/subscription_center?add_user=DiscoveryTVFollow Discovery UK on Twitte
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World Cinema - Part 1: Crash Course Film History #14

724 views / 0 likes - added 6 years ago

The world is a big place and cinema isn't limited to just the U.S. and Europe. There are a lot of vibrant and influential film movements and cultures from all over the world. In this episode of Crash Course Film History, Craig talks to us a little about s
What is an Animal? Crash Course Zoology #1

204 views / 1 likes - added 3 years ago

Check out Animal IQ on PBS Terra! https://youtu.be/Ejhbr_t7BlcSo what is an animal anyway? In our inaugural episode of Crash Course Zoology, well endeavor to answer just that because as it turns out, its complicated! But before we get there well need to i
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What Is Artificial Intelligence? Crash Course AI #1

281 views / 0 likes - added 4 years ago

Artificial intelligence is everywhere and it's already making a huge impact on our lives. It's autocompleting texts on our cellphones, telling us which videos to watch on YouTube, beating us at video games, recognizing us in photos, ordering products in s
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Motion In A Straight Line: Crash Course Physics #1

1,686 views / 1 likes - added 8 years ago

In this, THE FIRST EPISODE of Crash Course Physics, your host Dr. Shini Somara introduces us to the ideas of motion in a straight line. She talks about displacement, acceleration, time, velocity, and the definition of acceleration. Also, how does a physic
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Climate Change: Crash Course Kids #41.2

1,393 views / 6 likes - added 8 years ago

How does climate change? And what happens to environments and ecosystems when it does? In this episode of Crash Course Kids, Sabrina shows us the effects that climate change can have and how one small change in an ecosystem can throw everything off. Watch
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The Adventures Of Huckleberry Finn Part 1: Crash Course Literature #302

525 views / 1 likes - added 7 years ago

In which John Green teaches you about Mark Twain's The Adventures of Huckleberry Finn. This week, we'll talk a little bit about Samuel Langhorne Clemens, who wrote under the name Mark Twain, and how he mined his early life for decades to produce his prett
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Earth Science: Crash Course History of Science #20

478 views / 0 likes - added 4 years ago

It's Earth Science time!!!! In this field, natural philosophers were asking questions like, whats up with fossils? Are they the remains of extinct organisms? Or are they so-called sports of naturerocks that just happen to look like living things but dont
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The Beatles - Revolution

638 views / 1 likes - added 6 years ago

The Beatles 1 Video Collection is Out Now. Get your copy here: http://thebeatles1.lnk.to/DeluxeBluRay “When you talk about destruction, don’t you know that you can count me out" “I did the slow version and I wanted it out as a single: as a statement of Th
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Glow On: Crash Course Kids #20.2

1,060 views / 3 likes - added 8 years ago

So, have you ever wondered why some stars are brighter than others? You might think it's because they're closer to us, but that's not the whole story? In this episode of Crash Course Kids, Sabrina chats about how stars glow and how astronomers judge their
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Why No Polar Pineapples: Crash Course Kids #11.2

1,072 views / 0 likes - added 8 years ago

Plants are amazing. Really! Photosynthesis is an incredible thing. But it also means that some plants can't live everywhere. They need to get the right amount of sunlight for the right amount of time. In this episode of Crash Course Kids, Sabrina chats ab
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The NASA TRAPPIST-1 Exoplanets - 7 Earth Like Worlds Discovered

515 views / 1 likes - added 6 years ago

NASA'S TRAPPIST-1 exoplanet discovery by the NASA Jet Propulsion Laboratory. A treasure trove of planets found by the Spitzer telescope. Seven (7) Earth sized planets discovered orbiting the TRAPPIST-1 ultracool dwarf star. 40 light years away in the cons
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100 Years of Solitude Part 1: Crash Course Literature 306

635 views / 1 likes - added 7 years ago

Our first of two episodes about Gabriel Garcia Marquez's novel, 100 Years of Solitude. This week, we're looking at the Buendia family, and their many generations of people with the same names. We'll also look at the fascinating way the author thinks about
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Voyager 1's Getting Closer to Earth Right Now

461 views / 0 likes - added 6 years ago

The Voyager 1 space probe is the furthest man-made object from Earth, and the fastest. But right now, it's moving towards us. Relatively speaking. At Mission Control for the Deep Space Network, inside NASA's Jet Propulsion Laboratory in Pasadena, let's ta
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Did Water Crash Into Earth From Space?

174 views / 0 likes - added 1 year 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://
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Star Personalities: Crash Course Kids #25.2

741 views / 0 likes - added 8 years ago

Down here, on Earth, if you look up at the night sky, it seems like all the stars up there look the same. Or maybe at least similar. But, it turns out that stars are very different and we shouldn't stereotype them. Some are bigger, some burn through their
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Respiratory System, Part 1: Crash Course A&P #31

1,242 views / 2 likes - added 8 years ago

So we all know that breathing is pretty important, right? Today we're going to talk about how it works, starting with the nameless evolutionary ancestor that we inherited this from, and continuing to the mechanics of both simple diffusion and bulk flow, a
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Introduction to Anatomy&Physiology: Crash Course A&P #1

851 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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Taking Notes: Crash Course Study Skills #1

821 views / 0 likes - added 6 years ago

The first step in honing your new study skills is to take better notes. This week Thomas will tell you everything you need to know to come to class prepared and find a note-taking system that will help you retain and review like a champ. Resources: Study
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A short animation: the Copernican Revolution

174 views / 0 likes - added 1 year ago

In the 16th century, Nicholai Copernicus proposed a fundamental change to the way we see our place in existence: it is the Sun and not Earth that occupies the physical centre, he said. The Copernican revolution that followed holds many important lessons f
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Before I Got My Eye Put Out - The Poetry of Emily Dickinson: Crash Course English Lit #8

1,178 views / 1 likes - added 9 years ago

In which John Green concludes the Crash Course Literature mini-series with an examination of the poetry of Emily Dickinson. Sure, John explores the creepy biographical details of Dickinson's life, but he also gets into why her poems have remained relevant
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1984 by George Orwell, Part 1: Crash Course Literature 401

609 views / 1 likes - added 6 years ago

In which John Green returns for a dystopian new season of Crash Course Literature! We're starting with George Orwell's classic look at the totalitarian state that could be in post-war England. Winston Smith is under the eye of Big Brother, and making us t
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Weather Channels: Crash Course Kids #34.2

1,315 views / 2 likes - added 8 years ago

Why is my weather app sometimes wrong? Well it has a lot to do with wind. Jet Streams, air cells, the shape and movement of the Earth... there are a lot of things that make weather a little unpredictable. In this episode of Crash Course Kids, Sabrina talk
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The Earth: Crash Course Astronomy #11

882 views / 0 likes - added 9 years ago

Phil starts the planet-by-planet tour of the solar system right here at home, Earth. -- Table of Contents Earth is a Planet 0:03 Layers of Earth 1:25 The Magnetic Field 5:10 Atmosphere and the Human Influence 6:14 -- PBS Digital Studios: http://youtube.co
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The Engineering Process: Crash Course Kids #12.2

6,180 views / 15 likes - added 8 years ago

So, how do we go about being engineers? In this episode of Crash Course Kids, Sabrina talks to us about the Engineering Process and why we should do things in order, as well as many of the questions we should ask along the way. This first series is based
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Muscles, Part 1 - Muscle Cells: Crash Course A&P #21

1,273 views / 2 likes - added 8 years ago

We're kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal muscles create movement by contracting and releasing in a process called the sliding filament m
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Medieval Europe: Crash Course European History #1

741 views / 1 likes - added 4 years ago

Our European history is going to start around 1500 with the Renaissance, but believe it or not, that is not the actual beginning of history in the continent. So, today, we're going to teach you the broad outlines of the so-called Middle Ages, and look at
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What caused the French Revolution? - Tom Mullaney

869 views / 1 likes - added 7 years ago

View full lesson: http://ed.ted.com/lessons/what-caused-the-french-revolution-tom-mullaney What rights do people have, and where do they come from? Who gets to make decisions for others, and on what authority? And how can we organize society to meet peopl
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Planetary Plants: Crash Course Kids #45.2

988 views / 0 likes - added 8 years ago

So we know what life needs here to work, and we've talked a little about what life COULD look like on other planets. But what about plant life? What could plant life look like on other planets? In this episode of Crash Course Kids, Sabrina chats to us jus
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Citizen Kane: Crash Course Film Criticism #1

560 views / 0 likes - added 6 years ago

Try CuriosityStream today: http://curiositystream.com/crashcourse and use the promo code "crashcourse" to get the first two months free! Is Citizen Kane the BEST MOVIE EVER MADE? Is that even an answerable question? Michael Aranda will try to help us thro
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Immune System, Part 1: Crash Course A&P #45

1,245 views / 2 likes - added 8 years ago

Our final episodes of Anatomy & Physiology explore the way your body keeps all that complex, intricate stuff alive and healthy -- your immune system. The immune system’s responses begin with physical barriers like skin and mucous membranes, and when they’
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The Sun&The Earth: Crash Course Big History #3

940 views / 2 likes - added 9 years ago

In which John Green, Hank Green, and Emily Graslie teach you about our Sun, and the formation of the planets. We're going to focus on the formation and development of the Earth, because that's where people live. You'll learn about the Solar nebula, the bi
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Secret Life of Dogs: Stories That Will Blow You Away - BBC Earth Unplugged

1,418 views / 3 likes - added 8 years ago

Dogs are famously known as mans best friend but how much do you actually know about your canine? We've selected 5 of the most viewed moments from Secret Life Of Dogs, released on the BBC Earth YouTube channel. You can watch the full videos in this playlis
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Metabolism & Nutrition, Part 1: Crash Course A&P #36

1,098 views / 0 likes - added 8 years ago

Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins, minerals, carbs, fats, and prot
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Using Rotation Widget | Transformations | Geometry | Khan Academy

1,482 views / 0 likes - added 8 years ago

Using rotation widget Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/geometry/transformations/rigid-transformations-intro/e/performing-rotations-on-the-coordinate-plane?utm_source=YT&utm_medium=Desc&utm_campai
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Architecture Adventure: Crash Course Kids #47.2

1,010 views / 3 likes - added 8 years ago

If we want to build a place for us to live, or to hang out, or do eat dinner with our friends, we're going to need a special kind of engineering called architecture. In this episode of Crash Course Kids, Sabrina gets us to help her build a place where she
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The Heart, Part 1 - Under Pressure: Crash Course A&P #25

1,313 views / 0 likes - added 8 years ago

Your heart gets a lot of attention from poets, songwriters, and storytellers, but today Hank's gonna tell you how it really works. The heart’s ventricles, atria, and valves create a pump that maintains both high and low pressure to circulate blood from th
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Overview Of The Bolshevik Revolution

564 views / 0 likes - added 8 years ago

Overview of the Bolshevik Revolution and the end of the Romanov Dynasty.
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The Dirt On Decomposers: Crash Course Kids #7.2

2,141 views / 3 likes - added 8 years ago

We've talked about food chains and how energy moves through an ecosystem, but let's take a step back and see how everything starts... and ends. Decomposers! This first series is based on 5th grade science. We're super excited and hope you enjoy Crash Cour
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Gas Giants Weather: Crash Course Kids #43.2

755 views / 1 likes - added 8 years ago

Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t
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Seeing Stars: Crash Course Kids

788 views / 0 likes - added 8 years ago

***Corrected with Images of Stars/planets*** So you know what a star is, right? Well, if you don't, you should. We've talked about that big one in the sky a few times: The Sun! But there are a lot of bright dots in the night sky and not all of them are st
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La Kyle performs an insane quick change act on Fool Us, Season 7, Episode 8

908 views / 0 likes - added 3 years ago

French performer, Léa Kyle performs an insane quick change act on Penn & Tellers Fool Us, Season 7, Episode 8.
Gas Giants Weather: Crash Course Kids #43.2

200 views / 0 likes - added 2 years ago

Last time, we learned that there is in fact weather on other planets. But those were the rocky planets, like Earth. What about the big Gas Giants? What's the weather like there? In this episode of Crash Course Kids, Sabrina takes us on a virtual tour of t
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Endocrine System, Part 1 - Glands & Hormones: Crash Course A&P #23

1,934 views / 0 likes - added 8 years ago

Hank begins teaching you about your endocrine system by explaining how it uses glands to produce hormones. These hormones are either amino-acid based and water soluble, or steroidal and lipid-soluble, and may target many types of cells or just turn on spe
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Blood Vessels, Part 1 - Form And Function: Crash Course A&P #27

1,399 views / 0 likes - added 8 years ago

Now that we've discussed blood, we're beginning our look at how it gets around your body. Today Hank explains your blood vessels and their basic three-layer structure of your blood vessels. We're also going over how those structures differ slightly in dif
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How and Why We Read: Crash Course English Literature #1

1,122 views / 2 likes - added 9 years ago

In which John Green kicks off the Crash Course Literature mini series with a reasonable set of questions. Why do we read? What's the point of reading critically. John will argue that reading is about effectively communicating with other people. Unlike a d
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How To Get Resources - Picky Pineapples: Crash Course Kids #2.2

1,506 views / 1 likes - added 8 years ago

Want a Pineapple? If you want a pineapple, it's possible you can just run down to the store and get one. But, if you wanted to grow one, that's a lot more difficult depending on where you live. In this episode of Crash Course Kids, Sabrina talks about how
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Food Chains Compilation: Crash Course Kids

1,442 views / 0 likes - added 7 years ago

Maybe you'd like to just hear about one topic for a while. We understand. So today, let's just watch some videos about how we get energy. And how one animal gets energy from another animal, or a plant. It's all about food chains and food webs in this Cras
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Best of Animal Teamwork | Part 1 | BBC Earth

905 views / 0 likes - added 3 years ago

Teamwork makes the dream work! And that goes in the animal kingdom too. Animals of the same species and even different species work together in symbiotic relationships.Subscribe: http://bit.ly/BBCEarthSub #BBCEarth #DavidAttenborough #TeamworkWatch more:
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Long Division of Numbers - Arithmetic Basics, Ex 1

2,019 views / 0 likes - added 8 years ago

Need a LIVE tutor to help answer a question? Check out the people at http://www.tutor.com/signup?AdDist=1&ExAdId=90fddaff-89aa-4a4f-91da-90841e168246&TDC_OfferCode=e2bf363b-0cb8-4635-98c3-2b5211d0847a&subject=math&grade=undefined for a FRE
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Let's Fly!: Crash Course Kids 26.2

867 views / 1 likes - added 8 years ago

Selecting which solution is the best solution to a problem may seem difficult at first. But if you are patient and think about what you need an effective solution to be, you can do it. In this episode of Crash Course Kids, Sabrina shows us how to do just
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The Blue Planet Collection | Part 1 | BBC Earth

339 views / 0 likes - added 3 years ago

Be reacquainted with the beautiful inhabitants of the deep blue sea in this look back through the Blue Planet archive.Subscribe: http://bit.ly/BBCEarthSub #BluePlanet #BBCEarth #DavidAttenboroughWatch more: Planet Earth http://bit.ly/PlanetEarthPlaylist B
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Dinosaur Pee?: Crash Course Kids #24.2

864 views / 3 likes - added 8 years ago

Today we continue our exploration of the Water Cycle by drinking some dinosaur pee. Yep! Well, it's a little less gross that it sounds. It turns out that all of the water on Earth is just constantly recycled in what we call a closed system. No water comes
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Try Trials: Crash Course Kids #39.2

882 views / 0 likes - added 8 years ago

We've talked about variables and solving problems. But how do we keep working on a problem if the first solution doesn't fix it? Trials! In this episode of Crash Course Kids, Sabrina shows us how to use Trials to figure out what the problems are with our
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Chemical Changes: Crash Course Kids #19.2

4,556 views / 7 likes - added 8 years ago

We've talked about mixtures and solutions, solutes and solvents, but what about things that can't be undone? What about Chemical Changes? Would it surprise you to know that baking a cake is a Chemical Change? Or striking a match? In this episode of Crash
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Severe Weather: Crash Course Kids #28.2

1,905 views / 5 likes - added 8 years ago

So, what's the difference between "weather" and "severe weather"? Is it just how hard the wind is blowing? Is it just thunder and lighting? Well, it can be some or all of those things. In this episode of Crash Course Kids, Sabrina talks to us about what m
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A Fresh Future: Crash Course Kids #33.2

741 views / 5 likes - added 8 years ago

So, how are people fixing their water problems? In this episode of Crash Course Kids, Sabrina talks about a few different examples how some freshwater sources were good, then bad, then made good again. Also, Sabrina talks about parasites, fish, and dams!
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Weathering And Erosion: Crash Course Kids #10.2

3,333 views / 10 likes - added 8 years ago

In this episode of Crash Course Kids, Sabrina gives us a real world example of how the Hydrosphere and Geosphere affect each other in the form of Weathering and Erosion. Think of Weathering as the force that makes a mess and Erosion as the force that clea
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Alexander the Great and the Situation ... the Great? Crash Course World History #8

1,148 views / 4 likes - added 9 years ago

In which you are introduced to the life and accomplishments of Alexander the Great, his empire, his horse Bucephalus, the empires that came after him, and the idea of Greatness. Is greatness a question of accomplishment, of impact, or are people great bec
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Food Webs: Crash Course Kids #21.2

1,627 views / 4 likes - added 8 years ago

Last time we put a Polar Bear in the desert and we still feel bad about that, but there's a lot more going on in ecosystems than just temperature. In fact, there are so many elements in ecosystems, that if just one leaves or gets out of whack, it can be t
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The Ecliptic: Crash Course Kids #37.2

544 views / 0 likes - added 8 years ago

So, what is the Ecliptic? Well, it has to do with the Zodiac constellations and our sun and how they move in relation to one another. It's kind of cool! In this episode, Sabrina chats about this imaginary line called the Ecliptic and its cycle in the sky.
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A Change Of Scenery: Crash Course Kids #17.2

4,382 views / 2 likes - added 8 years ago

The world changes. It really does! But sometimes it changes so slowly that we don't notice it. Other times it changes REALLY FAST!!! In this episode of Crash Course Kids, Sabrina talks about some of the reasons things can change quickly or slowly. This fi
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Testing And Trials: Crash Course Kids #44.2

861 views / 1 likes - added 8 years ago

More trials! This time we need to figure out what to do if you don't have all the things you'd like to have to perform your tests. How do you isolate a variable across multiple tests? A good engineer will work to find a way to make it happen. In this epis
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Look Who's Talking: Crash Course Kids #27.2

920 views / 0 likes - added 8 years ago

Plants! We absolutely depend on them. Oxygen, food, and looking super nice to boot! But, plants have a lot more going on than meets the eye. How do we know that? Investigations and Experimentations! Watch More Crash Course Kids: https://www.youtube.com/us
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Engineering Games: Crash Course Kids #29.2

2,099 views / 7 likes - added 8 years ago

So how can a game teach us about engineering? Pretty easily! When you're trying to solve a game, or a puzzle, or whatever, you will have a bunch of variables. The trick is knowing how to change one variable at a time to see what changes. In this episode o
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Fixing Failure Points: Crash Course Kids #42.2

732 views / 0 likes - added 8 years ago

Now that we've talked about failure points, let's talk about how to fix them. In this episode of Crash Course Kids, Sabrina shows us how to set up models and trails to find and fix failure points. Watch More Crash Course Kids: https://www.youtube.com/user
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The Constitution, the Articles, and Federalism: Crash Course US History #8

1,073 views / 3 likes - added 9 years ago

In which John Green teaches you about the United States Constitution. During and after the American Revolutionary War, the government of the new country operated under the Articles of Confederation. While these Articles got the young nation through its wa
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Vegetation Transformation: Crash Course Kids #5.2

1,098 views / 0 likes - added 8 years ago

Have you ever seen a magic trick where one thing changes to another thing? Well, that's nothing compared to what plants can do through a process called photosynthesis. In this episode, Sabrina talks about how photosynthesis works! This first series is bas
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The History of Atomic Chemistry: Crash Course Chemistry #37

1,047 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.
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How Do We Protect Earth From Asteroids? Part 1 - Finding Them

770 views / 0 likes - added 6 years ago

We know we live in a cosmic shooting gallery. Who’s got their eyes on the sky, and how will we prevent an asteroid strike if we find a dangerous space rock? Support us at: http://www.patreon.com/universetoday More stories at: http://www.universetoday.com/
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Blood, Part 1 - True Blood: Crash Course A&P #29

1,814 views / 0 likes - added 8 years ago

Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including erythrocytes, leukocytes, platelets, and plasma -- as well as the
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Stephen Hawking: We Must Leave Earth To Survive | Expedition New Earth | Earth Lab

697 views / 1 likes - added 5 years ago

Stephen Hawking predicts humans must be prepared to leave earth in the next 100 years if we are to survive. This video is to promote the program Expedition New Earth, part of the Being Human season on BBC Earth. Subscribe to Earth Lab for more fascinating
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Space Compilation: Crash Course Kids

1,001 views / 0 likes - added 7 years ago

Maybe you'd like to just hear about one topic for a while. We understand. Thus, we've created our Compilation Series. In this video, we look at some of our videos about Space. Sabrina talks to us about the Sun, stars, the universe, and how constellations
Fixing Failure Points: Crash Course Kids #42.2

163 views / 0 likes - added 2 years ago

Now that we've talked about failure points, let's talk about how to fix them. In this episode of Crash Course Kids, Sabrina shows us how to set up models and trails to find and fix failure points. ///Standards Used in This Video///3-5-ETS1-3. Plan and car
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Defining Success: Crash Course Kids #18.2

610 views / 0 likes - added 8 years ago

In our last episode, Sabrina talked about how Engineers define the problems they need to solve. But how do you know when you've actually solved a problem? What do you expect to happen that would equal success? In this episode, Sabrina chats about how Engi
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(LEGO) Block Party: Crash Course Kids #23.2

1,017 views / 0 likes - added 8 years ago

Playing with LEGOS is fun. But, they can also teach us something about matter. In this episode of Crash Course Kids, Sabrina chats about chemical reactions and the Conservation of Matter. Watch More Crash Course Kids: https://www.youtube.com/user/crashcou
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Matter Compilation: Crash Course Kids

5,588 views / 15 likes - added 7 years ago

Maybe you'd like to just hear about one topic for a while. We understand. So today, let's just watch some videos about Matter. What is matter? What are particles? And why is this important to know? Did you know that coal can turn into diamonds? Or that so
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Intro to Psychology - Crash Course Psychology #1

999 views / 0 likes - added 9 years ago

You can directly support Crash Course at http://www.subbable.com/crashcourse Subscribe for as little as $0 to keep up with everything we're doing. Also, if you can afford to pay a little every month, it really helps us to continue producing great content.