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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 play a simple card game to learn the sequence of events in the transmission of nervous system signals.

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

In this activity related to flight, learners conduct two simple tests to explore how lift works.

In this activity related to flight, learners build a tiny stream channel to investigate how fluids (air and water) change speed as they flow between and around objects.