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Space Stations: Bones of Contention
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In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition.
Hanford at the Half-Life Radiation Calculator
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This quiz lets you estimate your annual radiation exposure.
Hazardous Chemicals in Your Neighborhood
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In this environmental science lesson, learners will examine hazardous chemicals and their effects on human health and the environment.
Space Stations: Follow the Bouncing Ball!
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In this activity, learners predict whether a ball on Earth or a ball on the Moon bounces higher when dropped and why.