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

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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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.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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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).

$1 - $5 per group Ages 8 - adult 1 to 2 hours
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In this activity, learners build a model of a self-sustaining habitat (growing grass and beans from seeds).

$1 - $5 per group Ages 11 - adult 1 to 7 days