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Highway Seismograph
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This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.
The Pull of the Planets
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In this activity, learners model the gravitational fields of planets on a flexible surface.
Dunking the Planets
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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.
Pyramids and Triangles
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Straws and pipe cleaners are terrific materials for building models of pyramids and cubes.