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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.

Just like birds, some dinosaurs had air-filled (pneumatic) bones, which made the dinosaurs' skeletons lighter.

This activity features two connected hands-on activities about dinosaur bones.

In this simulation, learners use M&M™ candy to explore radioactive isotope decay.

This guided inquiry three-part activity engages learners in thinking about the mechanism of natural selection by encouraging them to formulate questions that can be answered through scientific investi