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Exploring Materials: Nano Gold
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In this activity, learners discover that nanoparticles of gold can appear red, orange or even blue. They learn that a material can act differently when it’s nanometer-sized.
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Exploring Structures: Butterfly
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In this activity, learners investigate how some butterfly wings get their color.
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Exploring Earth: Temperature Mapping
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This activity models the way Landsat satellites use a thermal infrared sensor to measure land surface temperatures.