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Avalanche
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In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern.
My Solar System
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In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.
Foam Rocket
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In this activity, learners work in teams build and launch rubberband-powered foam rockets.
Building a 3-D Space Maze: Escher Staircase
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In this activity (page 95 of the PDF), learners create Escher Staircase models similar to those that were used by Neurolab's Spatial Orientation Team to investigate the processing of information about