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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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    NISE Network
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    This is a demonstration about how nature inspires nanotechnology. It is easily adapted into a hands-on activity for an individual or groups. Learners discover that lotus leaves are self cleaning...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    American Physical Society
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    Learners shine the light of a laser pointer through sheets of fabric that all have a different number of threads per inch. By looking at the patterns created, learners calculate the wavelength of...

    $5 - $10 per group Ages 11 - 14 10 to 30 minutes
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    Twin Cities Public Television
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    In this activity, learners create a star show and discover how they can prevent light pollution. Using simple materials, learners first design constellation boxes. Next, learners use their...

    $5 - $10 per group Ages 8 - 14 1 to 2 hours
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    American Association for the Advancement of Science
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    In this inquiry-based learning activity, learners design, build, and test their own ramps. They are introduced to a variety of materials and explore putting them together. They also create plans...

    $5 - $10 per group Ages 4 - 8 45 to 60 minutes
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    Pratt School of Engineering, Duke University
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    Learners work in groups to design and build a tower out of balsa wood. As a motivator, they can compete to build a tower with the highest strength-to-weight ratio. Learners draw structurally sound...

    $5 - $10 per group Ages 11 - 14 1 to 2 hours
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    Utah Education Network
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    In this math lesson, learners use fruit to learn about proportions and percentages. Learners compare the weights of the edible and non-edible portions of fruit. Learners practice using different...

    $5 - $10 per group Ages 11 - 14 45 to 60 minutes
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    COSI
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    In this activity (page 7 of the PDF), learners will investigate the contents of owl pellets. Learners will discover how owls digest their food as well as the kind of animals they eat. Although this...

    $5 - $10 per student Ages 8 - 14 30 to 45 minutes
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    Utah Education Network
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    In this activity, learners model erosion using a clear shoebox and sand or soil. Learners observe and discuss wind and water erosion in action and determine what effect sod and rocks have on their...

    $5 - $10 per group Ages 8 - 11 1 to 2 hours
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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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