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Water treatment on a large scale enables the supply of clean drinking water to communities.

In this activity, learners of all ages can become food scientists by experimenting with flour and water to make basic pasta.

When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.

This series of chemistry stations is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Each of the six stations features either a chemical or p

In this activity, learners will explore globes of frozen water to learn how to ask and then answer 'investigable' questions. The activity web page includes a short video demonstration.

In this activity, learners construct a coastal landmass from sand and add features such as tidal creeks and barrier islands.

In this chemistry meets cooking activity, learners make carbonated, vanilla ice cream using dry ice and denatured ethanol, which are both inexpensive and accessible.

Millions of organisms can live in and around a body of water.

This activity uses Jell-O(R) to introduce learners to microfluidics, the flow of fluids through microscopic channels.