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In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).

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

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