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    Lunar and Planetary Institute
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    In this activity, learners model the gravitational fields of planets on a flexible surface. Learners place and move balls of different sizes and densities on a plastic sheet to develop a mental...

    $5 - $10 per group Ages 8 - 14 30 to 45 minutes
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    Centers for Ocean Sciences Education Excellence
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    This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors. Learners attempt to capture "food" (a lentil) with a feeding...

    $5 - $10 per group Ages 8 - 18 30 to 45 minutes
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    American Museum of Natural History
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    Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars. The...

    $5 - $10 per group Ages 8 - 18 30 to 45 minutes