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This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.

Learners develop an understanding of air pressure in two different activities.

In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth.