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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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    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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    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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    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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    Children's Museum Of Houston
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    This is part 3 of the three-part "Crayon Rock Cycle" activity. Before starting this section, learners must have completed part 1: sedimentary rock and part 2: metamorphic rocks. In this...

    $5 - $10 per student Ages 4 - adult 10 to 30 minutes
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity demonstrates the shadow of the Earth as it rises as a dark blue shadow above the eastern horizon. Shadows are not just what we see on the sidewalk,...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    Birch Aquarium
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    In this activity, learners examine the properties of different seaweeds, investigate what happens when powdered seaweed (alginate) is added to water, and learn about food products made with seaweed...

    $5 - $10 per group Ages 4 - adult 10 to 30 minutes
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity lets learners create 3D models of the Earth, Moon and Sun to demonstrate solar and lunar eclipses. The pdf contains step-by-step instructions, photos...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes

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