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    Science Museum of Minnesota
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    In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight. Use this hands-on activity to facilitate inquiry and...

    $5 - $10 per student Ages 8 - 14 30 to 45 minutes
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    Oregon Museum of Science and Industry
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    Learners make their own simple slide rules out of paper and learn how they work. The activity starts by having learners make an "adding slide rule," which is not a very practical device...

    1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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    WGBH
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    In this design challenge activity, learners build a shock-absorbing system that will protect two “astronauts” when they land. Learners follow the engineering design process to design and build a...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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    Chicago Children's Museum
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    In this activity (located on page 7 of PDF), learners explore how Silly Putty was first invented and then attempt to make a batch of their own. Learners experiment by mixing liquid laundry starch...

    $10 - $20 per group Ages 4 - 11 45 to 60 minutes
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    WGBH
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    In this design challenge activity, learners build a tower that can support a tennis ball at least 18 inches off the ground while withstanding the wind from a fan. Learners will build a sturdy frame...

    1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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    American Museum of Natural History
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    In this activity, learners discover how solar energy can be used to heat water. Learners first discuss energy usage in their daily lives and then divide into pairs to conduct an experiment in which...

    $1 - $5 per group Ages 11 - 18 45 to 60 minutes
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    IEEE
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    In this activity, learners explore the engineering behind life vests or personal flotation devices and the challenges met by these devices. Learners work in teams to design and build a flotation...

    $10 - $20 per group Ages 8 - 14 1 to 2 hours
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    American Museum of Natural History
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    The Chinese invented paper made from plants and cloth about 2,000 years ago. Learners follow a similar process to make paper from recycled paper. Once dry, learners can make something special with...

    $5 - $10 per student Ages 8 - 14 4 to 24 hours
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    Oregon Museum of Science and Industry
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    In this activity about encryption, learners cut out a secret decoder badge from a handout and use it to encode messages to each other. They can also create their own codes that are different from...

    1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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    WGBH
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    In this invention challenge activity, learners create an indoor game for one or two people that gets you moving. This lesson guide includes instructions on how to play an “imagine new uses for old...

    $10 - $20 per group Ages 8 - 14 30 to 45 minutes

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