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In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.

In this activity (on pages 36-39), learners make a model of a watershed out of paper, then run water down the mountain to simulate how rainfall and pollution affect watersheds.

In this activity, learners are invited to imagine the park of their dreams!

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