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In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution.

This three-part lab helps learners understand the essential principles governing diffusion and osmosis.

In this activity (1st on the page), learners explore circadian rhythms by keeping track of their body temperature.

In this activity, learners calculate the number of milliliters of water a nearby tree transpires per day.

In this activity, learners cut wells in JELL-O© and load the wells with different detergent solutions.