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Learners discover that their breath contains carbon dioxide, one of the pollutants found in car exhaust.

In this activity (on page 2 of the PDF), learners explore surface tension by adding pennies to cups which are "full" of plain water or soapy water.

In this experiment, learners use a blow dryer and water bottle to observe and record changes in air pressure caused by changes in temperature.

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

This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.