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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

In a class demonstration, learners observe a simple water cycle model to better understand its role in pollutant transport.

In this physics activity (page 8-9 of the PDF), learners will explore wind energy. They will build their own windmill and see how energy from wind can be converted into a useable form.

Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.