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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.

In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors.

In this activity, learners design and build their own parachute using household materials with the goal of landing their passenger safely on a target.

The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.