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Weighty Questions
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In this activity about humans and space travel (page 1 of PDF), learners compare and contrast the behavior of a water-filled plastic bag, both outside and inside of a container of water.
Balloon Rockets
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This is an activity about rockets. Learners will explore how rockets leave Earth's orbit and what it takes to make a launch successful.
Drops on a Penny
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In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.
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.