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Learners conduct an experiment to determine the rate at which two materials, sand and water, heat up and cool down.

In this activity about magnetism (page 15 of the PDF), learners will explore how opposite and similar magnetic poles affect a swinging (pendulum) magnet.

In this activity about water solubility and density, learners use critical thinking skills to determine why water can dissolve some things and not others.

In this activity, learners design a device to solve a problem: how to get a ball out of a drain pipe.