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Water Holes to Mini-Ponds
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Dig a hole, line it, fill it with fresh water, and you have a water hole: a good place to study colonization.
Get a Leg Up
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In this activity, learners experiment and collect data during a simulation of the fluid shifts experienced by astronauts' bodies in microgravity.
Introduction to the Scientific Method
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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.