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    Lawrence Hall of Science
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    Learners trace, cut out and fly a boomerang, outdoors or in a large indoor space. Boomerangs are believed to have originated among the Aborigines of Australia, so this activity could be used in...

    1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this quick activity (page 1 of the PDF) about sound vibrations, learners will investigate which small objects, such as coins, hex nuts, or marbles, produce the loudest “screams” when swirled...

    1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz. The bubbles in the Bubble Bomb are filled with carbon dioxide, a gas that forms when...

    1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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    Science Museum of Minnesota
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    Experiment with friction and make bearings for a whirligig! This activity is a nice introduction to friction and bearings and demonstrates why bearings are useful for spinning. A related video show...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    WGBH
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    In this activity, learners use a soda can to decode a secret message. Learners wrap scytale (pronounced ski-tally) code around a can and challenge friends to see if they can crack the codes....

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    WGBH
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    In this simple and fun activity, learners discover the relationship between vibration and sound by making a squeaky toy instrument out of simple household materials. Participants explore how...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    Kohl Children's Museum
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    In this activity, reuse two-liter bottles to create bowling pins. Learners practice math skills and develop a concept of verifying answers, while bowling and keeping score.

    1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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    Museum of Science and Industry, Chicago
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    Learners follow the template to build and fly a paper helicopter. They can attempt many experiments (shortening the blades, adding weight to the helicopter) and see how the flight of the helicopter...

    1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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    COSI
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    In this playful physics activity (page eight of the pdf), learners use toy cars to explore how speed and weight affect the results of collision. Designed as a pre- or post-visit lesson in...

    1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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    Lawrence Hall of Science
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    Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries. The modifications can include...

    1 cent - $1 per student Ages 4 - 14 10 to 30 minutes

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