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In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.

In this activity, learners will explore how the human brain interprets environmental stimuli.

This activity is designed to let learners measure their reaction time or response time to something they see.

In this activity, learners dissect a piece of pizza to learn about nutrients important for health.

In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.