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Crayfish Investigations
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This activity has learners interacting with live crayfish, but could be adapted for a variety of similar hardy and interesting organisms.
Investigating the Insides
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In this activity, learners work in teams to investigate the composition of unseen materials using a variety of tools.
Levers at Play
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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).