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Do Plants Need Light?
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In this food science activity, learners conduct an experiment that demonstrates the importance of light to plants.
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Globe at Night
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.
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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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Photosynthesis and Transpiration
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In this activity on page 7 of the PDF (Plants—The Green Machines), learners examine the effects that light and air have on green plants.
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Exploring Shadows
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This activity guide features three related explorations to help learners ages 3-6 investigate shadows via the following science concepts: A shadow is made when an object blocks the light; you can chan