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In this activity (p.7-8 of PDF), learners examine fossil formation.

In this activity, learners will model the mechanical weathering and erosion of rocks in a stream or river.

In this activity, learners investigate soil erosion. Learners set up a simulation to observe how water can change the land and move nutrients from one place to another.

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

This is part 1 of the three-part "Crayon Rock Cycle" activity. In this activity, learners explore how sedimentary rocks form.

In this activity, learners explore a bucket of sand and beach objects.