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In this activity, learners investigate how some butterfly wings get their color.

In this activity on page 7 of the PDF (Chemistry—It’s Elemental), learners use iodine to identify foods that contain starch.

In this game, learners try to find nano-related objects on a game board. Learners investigate the different ways nano is in the world around us.

This is an online simulation of how sound changes due to environment. How does place--like a cave, a pier, or a forest--affect certain sounds?

In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.

"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?