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    NASA
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    In this activity, learners discover that one way to cool an object in the presence of a heat source is to increase the distance from it or change the angle at which it is faced. Learners perform an...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    National Optical Astronomy Observatory
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    This is a classic exercise for visualizing the scale of the Solar System. Both the relative size and spacing of the planets are demonstrated in this outdoor exercise, using a mere peppercorn to...

    1 cent - $1 per group Ages 6 - adult 45 to 60 minutes
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    U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy
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    In this activity, learners work in groups to build simple solar stills filled with salt water. After the stills are complete, learners observe what happens when they place the stills in the sun....

    1 cent - $1 per group Ages 4 - 11 45 to 60 minutes
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    New York Hall of Science
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    Investigate a flower's power of marketing by making an imitation flower that successfully signals a bee (or other pollinator of your choice) to visit. Try to determine what characteristics...

    1 cent - $1 per student Ages 4 - 11 5 to 10 minutes

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    • Oregon Museum of Science and Industry (remove)
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