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In this activity, learners use models of fossilized dinosaur teeth to understand how dinosaur teeth were used.

In this activity about dinosaurs and survival, learners use scrap materials to create a miniature dinosaur habitat that includes a food source, water source, and shelter.

In this activity, learners build penetrometers to test leaf toughness. Biologists measure leaf toughness to study the feeding preferences of insects and bugs.

In this activity, learners construct possible food webs for six different ecosystems as they learn about the roles of different kinds of living organisms.

This activity focuses on interactions within Earth systems and the effects of human activities. In this activity learners build a biomass pyramid.