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In this activity about engineering, nutrition, and physical activity, learners design and build a healthy bone model of a space explorer which is strong enough to withstand increasing amounts of weigh

In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.

In this activity, learners examine antibodies and antibody recognition using a model.

In this environmental science lesson, learners will examine hazardous chemicals and their effects on human health and the environment.