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Measuring and Protecting Skin
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In this activity, learners compare and contrast their own skin (including the area covered) with that of an orange.
House Warming
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In this physical sciences activity, learners explore how passive solar design increases energy efficiency.
Cool Tool
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In this activity (on pages 10-17), learners discover how scientists study biodiversity and the health of the environment based on inspection of small areas—a process known as sampling.
Big Time Tour
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In this activity (on pages 16-21), learners get a sense of geological time by understanding how big a million is.