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    4-H
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    In this sunny day experiment, learners measure and compare how quickly light and dark colored materials absorb heat. An extension included in this activity guide suggests learners next design and...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    Lawrence Hall of Science
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    Glare from the sun and ripples from the wind can make it hard to see what's below the surface of a body of water. In this outdoor activity, learners will make their own viewscope to look...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    Lawrence Hall of Science
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    In some parts of the world, lakes freeze during winter. In this activity learners will explore water’s unique properties of freezing and melting, and how these relate to density and temperature....

    $5 - $10 per group Ages 8 - adult 10 to 30 minutes
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    Lunar and Planetary Institute
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    In this activity, learners drop impactors onto layers of graham crackers! The process models how impacts throughout the Moon's history have broken rocks down into a mixture of dust, rocks, and...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners eat a snack and make a model of the plumbing system of a volcano. By cutting a small hole in the base of a clear cup of gelatin and injecting dye, learners see the...

    $5 - $10 per group Ages 8 - 18 10 to 30 minutes
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    Children's Museum Of Houston
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    Use a homemade potato launcher to explore air pressure. This activity includes simple instructions on how to build a homemade propulsion pipe using pipe, a wooden dowel and duct tape. The activity...

    $5 - $10 per student Ages 8 - 14 10 to 30 minutes
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    Community Science Workshop Network
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    In this activity, learners test exhaled breath for carbon dioxide and learn how to use an indicator as a simple way to measure pH. Learners also explore what happens when an acid (lemon) is mixed...

    $5 - $10 per student Ages 8 - 18 10 to 30 minutes
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    Twin Cities Public Television
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    In this quick activity (located on page 2 of the PDF under GPS Wetlands Activity), learners will model how wetlands act as natural filters for the environment. Learners prepare a mixture of water,...

    $5 - $10 per group Ages 8 - 14 10 to 30 minutes
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    Lawrence Hall of Science
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    In this activity, learners use multiple thermometers, placed at different angles, and a lamp to investigate why some places on Earth's surface are much hotter than others. Learners will create...

    $5 - $10 per group Ages 8 - adult 10 to 30 minutes
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    Children's Museum Of Houston
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    This is part 1 of the three-part "Crayon Rock Cycle" activity. In this activity, learners explore how sedimentary rocks form. Learners shave different crayons onto a square of aluminum...

    $5 - $10 per student Ages 4 - adult 10 to 30 minutes

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