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Physical sciences  
Educational Level:
Middle school  
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This investigation introduces students to the phenomena of urban heat islands, areas of higher then normal temperatures associated with populated areas. Using Atlanta, Ga., as the study site, students begin by analyzing the population growth and... (View More)

In this kinesthetic activity, students learn how photons may be transmitted, absorbed, or scattered. Materials required include a small ball, an overhead projector, 4 clear cups, different liquids (milk, water, black ink, grape juice), and a... (View More)

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