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In this space science activity, learners work together to create a human-powered orrery to model the movements of the four inner planets.

In this two-part activity, learners work in pairs to examine the four basic stages of a turbine engine.

By tossing, collecting, and sorting beanbags, learners understand how the IBEX spacecraft uses its sensors to detect and map the locations of particle types in the interstellar boundary.

In this activity, learners build models of comets, using edible materials, to learn about comets' structure.

In this activity, learners work in teams build and launch rubberband-powered foam rockets.

In this activity, learners build water-propelled engines from soft drink cans.