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

In this activity learners create patterns of hair beads.

In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

In this outdoor activity, learners use artificial bees and paper models of flowers to find out how bees transfer pollen from one flower to another.