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Wind Tunnel
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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.
What's In Your Breath?
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In this activity, learners test to see if carbon dioxide is present in the air we breathe in and out by using a detector made from red cabbage.
Strong Bones, Weak Bones
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Most people will break a bone in their body at some point in their life, but how much force does it take to break one?
Freezing Lakes
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In some parts of the world, lakes freeze during winter. In this activity learners will explore water’s unique properties of freezing and melting, and how these relate to density and temperature.
Ancient Sun Observations
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In this activity, learners make their own Sun tracker to explore how ancient civilizations around the world studied the Sun.