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    American Chemical Society
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    In this activity, learners make film canister rocket ships. A fin pattern is glued onto the outside of the canister, and fuel (water and half an antacid tablet) is mixed inside the canister. When...

    1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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    California Academy of Sciences
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    In this activity, learners gain knowledge about how carbon moves through all four of the Earth’s major spheres (biosphere, hydrosphere, atmosphere, and lithosphere), and understand how humans...

    1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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    Lawrence Hall of Science
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    En esta tira cómica, Mateo y Cientina emplean su conocimiento de la química y las medidas para esta actividad deliciosa - ¡hacer helado! En hacer la actividad los participantes experimentarán las...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    WGBH
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    In this project, students explore how levers work, by making a puppet with moving limbs. After showing students how to make the arms, students are challenged to construct the rest of the puppet on...

    1 cent - $1 per student Ages 6 - 11 30 to 45 minutes
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    American Chemical Society
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    In this activity, learners write invisible messages on goldenrod paper, and make the message appear and disappear using acids and bases. Goldenrod paper is paper that has been dyed with natural...

    1 cent - $1 per student Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity (on page 8), learners model how marble statues and buildings are affected by acid rain. Antacid tablets made with calcium carbonate are used to represent marble (also made from...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    University of Nebraska State Museum
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    In this detailed activity (on pages 9-18), learners investigate the body parts of a parasitic ascaris worm by making and dissecting clay models. Each learner creates a model of either a male or...

    1 cent - $1 per student Ages 8 - 14 1 to 2 hours
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    Foundation for Family Science & Engineering
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    These three short activities challenge groups to fit objects through paper and index cards: "Slots" presents the challenge for one learner to figure out which objects fit through a hole...

    1 cent - $1 per group Ages 4 - 14 10 to 30 minutes
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    BioEd
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    In this activity, learners construct possible food webs for six different ecosystems as they learn about the roles of different kinds of living organisms. Learners will also discuss and classify...

    1 cent - $1 per group Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners create angle-measuring devices--protractors--out of paper. Learners follow a series of steps to fold a square sheet of paper into a triangular Pocket Protractor. Learners...

    1 cent - $1 per student Ages 11 - 18 5 to 10 minutes

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