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In this activity, learners create channel features with flowing water, comparing their observations to real images of Mars and Earth taken by satellites/orbiters.

In this activity (on pages 12-15), learners make a crater model and test the effects of weather (rain) on its surface.

In this activity, learners create volcanoes like those they have examined on Earth and Mars through images taken by spacecraft.

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

Learners build models of sinkholes to gain an intuitive knowledge of their physical aspects.

In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).

In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.