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

In this activity, learners examine their tongue and taste buds.

In this activity, learners work in teams to study the observation skills essential to scientific research.

This fun hands-on astronomy activity lets learners explore models of the Milky Way and other galaxies to get a sense of relative distances to other galaxies.

In this activity, learners investigate visual perception as well as plan and conduct their own experiments.