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This is a quick activity that shows how large amounts of rock and sediment are added to the edge of continents during subduction.

In this activity, learners model hot spot island formation, orientation and progression with condiments.

In this activity, learners work in groups to create a time line representing significant moments in their lives.

In this activity, learners try to figure out who has their matching rock type by reading a description of their rock (no talking!).

In this activity you'll see how the sun's tilt on its axis changes the length of shadows. For example, why is your shadow longer in winter than in summer?

In ancient Chaco Canyon, the people used a "sun dagger" petroglyph to mark the passing of seasons.

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