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This is an activity where learners will compare the different metamorphosis stages of amphibians.

free Ages 6 - adult 5 to 10 minutes
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What is the optimal environment for hatching brine shrimp? Using a scaffold, learners design and conduct experiments testing the effect of a single abiotic factor on brine shrimp cyst hatch rate.

Over $20 per group Ages 11 - 18 1 to 7 days