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In this activity, learners observe and describe the physical and behavioral characteristics of insects, including crickets.

In this story time program, young learners listen to the Dr.

In this activity, learners participate in a simulated dig to discover fossilized dinosaur bones. Learners take notes, make a map and propose theories about dinosaurs.

In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).