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In this Engineering Design Challenge activity, learners will use balloons to investigate how a multi-stage rocket, like that used in the Interstellar Boundary Explorer (IBEX) mission, can propel a sat

This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.

The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.