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In this activity, learners model how the Moon's volcanic period reshaped its earlier features.

In this activity, learners create a biosphere in a baggie.

In this activity, learners measure the diameter of their water balloons, model an impact, measure the diameter of the “crater” area, and determine the ratio of impactor to crater.

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.