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In this activity, learners create models of erosion and floods and learn to recognize both in their environment.

Use this model to demonstrate the goal of NASA's Kepler Mission: to find extrasolar planets through the transit method.

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.

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.

In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.

In this activity, learners use sand and ice cubes to create a model of permafrost and the effects of the ice melting through the surface.

Using recycled materials, learners will design a transportation vehicle to carry an egg in an egg toss (a rudimentary model of a shock absorbent transport vessel).

In this activity, learners take on the role of various parts of the cell in order to model the process of protein synthesis.