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    WGBH
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    In this activity, challenge learners to keep an ice cube from completely melting in 30 minutes. Learners engineer a box or wrap to prevent an ice cube from melting. Use this activity to introduce...

    $1 - $5 per student Ages 6 - 11 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners explore how different deodorants work. Learners treat agar plates with different types of deodorants and compare the bacteria growth on the plates to the control sample.

    $10 - $20 per student Ages 11 - 18 1 to 7 days
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners build devices from rubber bands to test for invisible air pollutants. They then place the devices in different locations for a period of days or weeks, including one device in a closed...

    $1 - $5 per group Ages 8 - 14 45 to 60 minutes
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    Twin Cities Public Television
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    This activity (located on page 4 of the PDF) is a full inquiry investigation into testing a repair material. Groups of learners perform “first aid” on a cut orange, which represents propeller...

    $5 - $10 per group Ages 8 - 14 1 to 7 days
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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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    Twin Cities Public Television
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    This activity (located on page 3 of the PDF) is a full inquiry investigation about the different causes of glacial melt. Groups of learners will design their own experiment using frozen "...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    Twin Cities Public Television
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    In this activity, learners conduct scientific research on multitasking. Learners determine if multitasking with media while doing homework affects their ability to successfully complete the...

    free Ages 8 - 14 45 to 60 minutes
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    American Museum of Natural History
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    In this experiment, learners work in pairs to create two gloves -- one that contains a layer of shortening (blubber) inside, and one that doesn't. By putting both glove-covered hands in a...

    $5 - $10 per student Ages 8 - 14 10 to 30 minutes
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    NSBRI
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    In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide. This is...

    $5 - $10 per group Ages 8 - 18 1 to 7 days