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In this activity, learners play a simple card game to learn the sequence of events in the transmission of nervous system signals.

In this activity, learners discover if carbon dioxide has an effect on temperature.

In this quick activity/demonstration about density, learners examine what happens when two cans of root beer--one diet and one regular--are placed in a large container of water.

This is a demonstration you can use to show learners how valves and pumps work in concert to move blood through the circulatory system.

These two activities (4th on the page) demonstrate the importance of two eyes in judging depth.

In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

This activity demonstrates the importance of wearing a helmet to protect the brain. An egg is used to symbolize a head with the shell as the skull and the inside of the egg as the brain.

In this activity, learners try to blow up a balloon hanging inside of an empty bottle.

In this activity, learners explore why humans sweat. Learners compare the effects of heat on a balloon filled with air and a balloon filled water.