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Based on color photographic images, learners compare geological features on Earth and Mars to understand similarities and differences between the two planets, and consider the forces that created land

In this activity, learners use sand and ice cubes to create a model of permafrost and the effects of the ice melting through the surface.

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

In this multi-station lab, learners conduct a series of experiments to explore the processes and effects of weathering and erosion.

In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.

In this activity, learners explore in what ways the shape of the land and the pull of gravity influence how water moves over Earth.

In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.

In this activity (page 13 of the PDF), learners discover how weathering and erosion change the Earth’s surface.

In this earth science activity, learners conduct a series of short experiments to explore how rocks change.

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

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

In this activity, learners will learn how igneous rock, metamorphic rock, and sedimentary rock are formed as part of the rock cycle and that the same forces that produce/change rocks also produce/chan