Instructional Video7:26
SciShow

Should the Earth Even Have Water?

12th - Higher Ed
"Water, water, every where"...or so that one poem goes. And it's kinda right, because there's way more water INSIDE the Earth than on the surface. But scientists still don't know with certainty exactly how Earth got all of that...
Instructional Video5:19
SciShow

The First Water on Earth Might've Come From… Earth? | SciShow News

12th - Higher Ed
Astronomers have thought for years that Earth was dry in the beginning, but a new paper suggests that Earth might have actually started out wet! And In other meteorite news, a new study of impact sites might give us new clues about...
Instructional Video7:44
Curated Video

Where Did Earth’s Water Come From? Scientific Origins of Water

12th - Higher Ed
Water on earth is found in all three forms. But how did water get on earth? Where did the water on earth come from? The earth has an estimated 325 million trillion gallons of it. But earth began as a barren,...
Instructional Video
Minute Earth

Minute Earth: Where Did Earth's Water Come From?

9th - 10th
Unlike every other planet in the solar system, Earth's surface is 70% liquid water, which while useful for life, is strange because everything we know about how and when our planet formed says Earth should be bone dry. Watch and learn...
Instructional Video
Crash Course

Crash Course Kids 14.1: The Basics of Fresh Water

3rd - 8th
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...