Mystery Science: Why is There Sand at the Beach?

In this Mystery, students investigate the effects of rocks tumbling in a river.

Based on their observations, they construct an explanation for why there is sand at a beach. In the activity, Rocking the River, students pretend to be a river and tear up pieces of construction paper to model what happens to rocks as they travel along the river.


Science Topics
Erosion, Geology
K-6
2nd Grade

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Video (Instructional)

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