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In this activity, learners create a model of a hot air balloon using tissue paper and a hairdryer. Educators can use this activity to introduce learners to density and its role in why things float.

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

In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

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

Make a one-string "guitar" by stringing a cup with some fishing line. You amplify the plucking of the string by placing a piezo contact microphone and mini battery powered amplifier inside the cup.

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.