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    WGBH
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    In this activity, learners make an electroscope out of a foam cup, straw, aluminum pie pan, thread, and foil. Learners use their electroscopes to test for static electricity. Demonstrate electric...

    $5 - $10 per student Ages 6 - 11 10 to 30 minutes
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    American Chemical Society
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    In this activity on page 5 of the PDF, learners use their knowledge of energy and batteries to create homemade flashlights. Learners deconstruct a flashlight and use the parts and other everyday...

    $5 - $10 per student Ages 8 - 14 10 to 30 minutes
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    WGBH
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    In this activity, learners construct a playable kazoo from inexpensive materials. They will experience how vibration creates sound waves and music. Changing the materials their kazoo is made of,...

    1 cent - $1 per group Ages 6 - 11 10 to 30 minutes
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    WGBH
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    This fun activity uses simple materials such as milk cartons and mirrors to introduce the ideas of optics and visual perception. The project is easy to do, however adult assistance may be needed to...

    $1 - $5 per student Ages 6 - 11 10 to 30 minutes
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    NISE Network
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    In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio. Learners learn that smaller particles have a much...

    Over $20 per group Ages 6 - adult 10 to 30 minutes