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    WGBH
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    In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid....

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    NISE Network
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    In this activity, learners create a necklace of wheat germ DNA. Learners add alcohol to wheat germ so that the DNA clumps together. Use this activity to talk about how self-assembly is a process by...

    $10 - $20 per group Ages 4 - adult 5 to 10 minutes
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    WGBH
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    In this engineering activity, learners construct sturdy geodesic structures out of gumdrops and toothpicks. Use this activity to explore engineering principles as well as sturdy shapes and...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    WGBH
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    In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows. Participants then design and build their own models using the steps of the design process to...

    1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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    American Chemical Society
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    In this activity on page 7 of the PDF, learners use iodine to identify foods that contain starch. Compare the starch content of a ripe banana, an overripe banana, milk, and flour mixed with water....

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    WGBH
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    In this hands-on experiment, kids use chemistry to explore whether acids or bases are better at restoring a penny’s shine. Kids follow the scientific process to test a common household cleaning...

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    Oregon Museum of Science and Industry
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    Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures. The reaction is...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes
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    American Chemical Society
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    In this activity on page 6 of the PDF, learners explore some of the properties of copper using a few common household ingredients. Learners compare four liquids and their ability to clean copper...

    $1 - $5 per student Ages 6 - 14 10 to 30 minutes
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    WGBH
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    In this activity, learners mix water, cooking oil, and liquid food coloring to create beautiful colored designs in a cup. Use this activity to explore liquid density and solubility.

    $1 - $5 per student Ages 6 - 11 5 to 10 minutes
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    NISE Network
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    In this activity, learners make self-assembled polymer spheres. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures, and that...

    $10 - $20 per group Ages 4 - adult 10 to 30 minutes

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