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This activity models some of the ways natural processes, such as erosion and sediment pollution, affect Earth’s landscape.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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This is part 1 of the three-part "Crayon Rock Cycle" activity. In this activity, learners explore how sedimentary rocks form.

$5 - $10 per student Ages 4 - adult 10 to 30 minutes
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In this activity, learners explore in what ways the shape of the land and the pull of gravity influence how water moves over Earth.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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In this activity, learners explore a bucket of sand and beach objects.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes