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    New Jersey Department of Education
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    In this investigation, learners explore the force known as buoyancy by placing various objects into water and observing how they behave (for example, which sink more quickly, which float, how much...

    $1 - $5 per group Ages 8 - 14 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    In this activity, early learners simulate fossil prints in play dough or clay. Using plastic dinosaur feet to make footprints on their “mud” (much as dinosaurs walked around their habitat) and...

    $1 - $5 per group Ages 4 - 6 10 to 30 minutes
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    New Jersey Department of Education
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    Learners explore water's property of cohesion through two investigations. In Drops on a Penny, they see how many drops of water or other fluids can fit on a penny before the drops run over,...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    Oregon Museum of Science and Industry
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    Learners design their own experiment to investigate how pollution diffuses through ground material. This model for leaking underground storage tanks helps learners connect their learning to...

    $1 - $5 per group Ages 11 - 14 30 to 45 minutes
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    New Jersey Department of Education
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    In this investigation learners explore the differences between, and interdependence of, living and nonliving elements in a water ecosystem. Learners identify biotic (living) and abiotic (nonliving)...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    New Jersey Department of Education
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    Learners demonstrate how water can distort, refract and magnify light. In an investigation called Underwater Differences, learners do activities including the Broken Pencil, examining how a pencil...

    $1 - $5 per group Ages 8 - 14 1 to 2 hours
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    WGBH
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    In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice. The...

    $1 - $5 per group Ages 6 - 11 45 to 60 minutes
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    Twin Cities Public Television
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    In this activity (page 1 of the PDF under SciGirls Activity: Dinosaurs), learners will model how paleontologists estimate the age of fossil discoveries by extracting “fossil” playing cards from...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    In this activity related to rotational inertia (page 1 of the PDF under SciGirls Activity: Microgravity), learners will use a bit of scientific experimenting to test if open-faced peanut butter...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    New Jersey Department of Education
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    In this activity learners explore surface tension. Why are certain objects able to float on the surface of water and how do detergents break the surface tension of water? Included in the lesson...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes

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