circular icon with water droplet

Water

melting ice cube more

What is Water?

Water is the liquid that makes life on Earth possible. All living things, from tiny cyanobacteria to giant blue whales, need water to survive. Without water, life as we know it would not exist. And life exists wherever there is water.

Water Stuff:

ALL
Games
Reading
Hands-on
Videos

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

Solve these story puzzles to find out more about how life in the Arctic is affected by climate change. 

Simple things that you can do to help protect fresh water and the living things that depend on it.

Marine ecologist Kate Holmes answers this question.

Can you make it down to the ocean floor? Along the way, discover what makes water special.

Solve these interactive story puzzles to find out how people and other animals live in the Arctic.

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

Water is a precious resource, and all things need water to survive.

Ichthyologist Ian Harrison answers this question.

Mammalogist Robert Voss answers this question.

Volcanologist Jim Webster answers this question.

Geologist Ed Mathez answers this question.