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Falling Feather
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In this physics activity, learners recreate Galileo's famous experiment, in which he dropped a heavy weight and a light weight from the top of the Leaning Tower of Pisa to show that both weights fall
Butterflies in Space
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The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.
Interactive Gumball Machine
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In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide.