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Lava Layering: Making and Mapping a Volcano
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In this activity, learners discover how geologists use stratigraphy, the study of layered rock, to understand the sequence of geological events.
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Single-Cell Life
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In this activity, learners create a soil and water model of a single-cell life environment and study living microorganisms.
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How Greenhouse Gases Absorb Heat
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Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.