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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

In this activity, learners work in pairs to conduct a series of experiments using a balloon, drinking straw, and paper.

In this challenge, learners make a helium balloon hover in one spot and then move it through an obstacle course using air currents.