Earth's Water

Mystery Science: How Much Water Is In the World?
Mystery Science

In this Mystery, students use estimation and graphing to discover the surprising difference in the amounts of fresh and salt water on Earth.

Mystery Science: You Turn On the Faucet, Where Does the Water Come From?
Mystery Science

In this Mystery, students construct an explanation about a surprising phenomenon: the existence of underground water.

NASA Space Place: How Much Water Is on Earth?
NASA Space Place

Learn more about Earth’s water in this video!

Crash Course Kids: Water Water Everywhere - Episode 14.2
Crash Course Kids

In this episode of Crash Course Kids, Sabrina talks about the adorable Nerpa and how they deal with rough conditions to live in Freshwater!

Crash Course Kids: Land and Water - Episode 16.1
Crash Course Kids

In this episode of Crash Course Kids, Sabrina chats about how the properties of land and water differ enough for absorption and reflection.

Crash Course Kids: The Basics of Freshwater - Episode 14.1
Crash Course Kids

We have a lot of water on Earth, but we also can’t actually drink much of it… or use it for farming.

Crash Course Kids: H2O-NO! - Fresh Water Problems - Episode 33.1
Crash Course Kids

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 ecosystem.

Crash Course Kids: A Fresh Future - Episode 33.2
Crash Course Kids

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.

Crash Course Kids: Water Fight! - Episode 36.1
Crash Course Kids

So, what happens when there’s not enough water?

OLogy: Test Density with a Supersaturated Solution
OLogy (American Museum of Natural History)

Do fresh water and salt water mix? Find out in this experiment.

OLogy: What Do You Know About Virtual Water?
OLogy (American Museum of Natural History)

Test your knowledge about the water you didn’t know you were using. 

Making Waves Podcast
Making Waves (Society for Freshwater Science)

Making Waves is a podcast produced by the Society for Freshwater Science that aims to bring current research in freshwater to a broader audience through engaging interviews with scientists.