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In this activity, learners make water-walking critters using thin wire, and then test how many paper clips these critters can carry without sinking.

Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap.

In this activity, learners perform an experiment that models a chromatography-like process called electrophoresis, a process used to analyze DNA.

In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.

In this experiment, learners work in pairs to create two gloves -- one that contains a layer of shortening (blubber) inside, and one that doesn't.