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    University of Massachusetts Amherst
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    In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated. Learners discover that when rubber is heated...

    $1 - $5 per group Ages 14 - adult 10 to 30 minutes
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    NISE Network
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    This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups. Learners discover that lotus leaves are self cleaning...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    American Physical Society
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    Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch. By looking at the patterns created, learners calculate the wavelength of...

    $5 - $10 per group Ages 11 - 14 10 to 30 minutes
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    Science Museum of Minnesota
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    In this activity, learners investigate balance and symmetry by designing a symmetrical butterfly, using a paper cutout. Then they use pennies symmetrically placed to balance the butterfly on the...

    1 cent - $1 per student Ages 4 - 6 10 to 30 minutes
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    Smithsonian Center for Education and Museum Studies
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    In this online interactive challenge, learners choose items to represent the Earth or solar system, then determine other items to represent the Moon, or Milky Way based on their relative size. The...

    free Ages 8 - 18 10 to 30 minutes
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    American Association for the Advancement of Science
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    In this online activity, learners can test their skills at finding constellations in the northern hemisphere's night sky. Learners can choose during which season to look, and then look for...

    free Ages 8 - 11 10 to 30 minutes
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    COSI
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    In this activity about light, learners explore how water can refract light and change the way they see things. In the "Now Explore" section, suggestions for other liquids are given, and...

    1 cent - $1 per student Ages 8 - 11 10 to 30 minutes
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    Science Friday
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    In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York. Next, learners design and build a 3D scale model of a shipping...

    1 cent - $1 per student Ages 11 - 18 10 to 30 minutes
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    Lawrence Hall of Science
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    In this activity, learners look at and touch marine animal skulls to compare them and think about what they eat. The activity is written for a museum, but can be done anywhere there are marine...

    $10 - $20 per group Ages 4 - adult 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners balance chemical equations and discover the law of conservation of mass. Learners use coins to model molecules to balance the equations.

    free Ages 14 - 18 10 to 30 minutes

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