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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity lets learners explore what happens when a star explodes. Participants imagine themselves inside a large star at the end of its life, just as it is...

    $5 - $10 per group Ages 8 - adult Under 5 minutes
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    Astronomical Society of the Pacific
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    This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors. The PDF contains step...

    1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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    NOAA
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    In this activity and/or demonstration, learners illustrate visually and physically that air has weight. Learners balance two equally-inflated balloons hanging from string on a yard stick. Learners...

    1 cent - $1 per group Ages 8 - 18 5 to 10 minutes
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    Oregon Museum of Science and Industry
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    As a group, learners investigate three packages which are all the same size and shape, but have different contents. One is filled with foam, one is filled with wood, and one is filled with metal....

    $1 - $5 per group Ages 4 - 11 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix. In chemistry, this mixture is...

    $1 - $5 per group Ages 6 - 14 5 to 10 minutes
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    Lunar and Planetary Institute
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    In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods. Learners dunk the "planets" in water to...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes
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    NISE Network
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    In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio. Learners learn that smaller particles have a much...

    Over $20 per group Ages 6 - adult 10 to 30 minutes
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    NOAA
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    In this activity (on page 1), learners role play as atoms to explore how atoms can be rearranged to make different materials. Learners group together and link arms or hold hands to form chemical...

    1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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    National Museum of American History
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    In this two-part activity, learners use household items to smell the difference between some stereoisomers, or molecules which are mirror images of one another. First, learners compare the scents...

    $1 - $5 per student Ages 8 - 18 5 to 10 minutes
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    The Exploratorium
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    Get a roll of pennies, throw them on the ground, then remove those that only show tails, and repeat with the ones left over. In this Exploratorium Science Snack, this is how you create a model of...

    free Ages 8 - 18 5 to 10 minutes

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