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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 estimate risks associated with different events and compare their estimates to the real possibilities.

This activity generates learner excitement about light through the creation of a room-sized rainbow.

In this activity related to microbes, learners create scale models of microorganisms and compare relative sizes of common bacteria, viruses, fungi and protozoa using metric measures: meters, centimete