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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.
Black Holes: No Escape
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This fun and simple hands-on astronomy activity lets learners experiment with marbles and weights to discover some basics about gravity and black holes.
Exploring Black Holes and Gravity
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This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.