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    WGBH
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    Students design and create their own air-powered rockets, in this hands-on activity. Learners will develop a better understanding of physics related concepts, specifically those related to momentum...

    $1 - $5 per student Ages 6 - 11 30 to 45 minutes
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    WGBH
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    In this activity, learners design, build and test a model suspension bridge for sturdiness and strength. Participants explore how parts of the bridge, such as the deck, hangers, cables, towers and...

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes
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    University of Nebraska State Museum
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    This activity (on pages 19-24) introduces learners to the rain forest's layers—emergent, canopy, understory, and forest floor—and has learners make paper lianas (vines that live attached to...

    1 cent - $1 per group Ages 8 - 14 1 to 2 hours
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    WGBH
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    In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows. Participants then design and build their own models using the steps of the design process to...

    1 cent - $1 per group Ages 6 - 11 30 to 45 minutes
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    NISE Network
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    In this activity, learners investigate what happens when you build up static electricity on plastic balls. Learners discover that electrostatic forces cause smaller balls to suspend in a tube,...

    $10 - $20 per group Ages 4 - adult 5 to 10 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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    American Chemical Society
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    In this activity, learners make film canister rocket ships. A fin pattern is glued onto the outside of the canister, and fuel (water and half an antacid tablet) is mixed inside the canister. When...

    1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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    University of Nebraska State Museum
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    In this activity (on pages 34-39), learners make a fairly detailed model of DNA using licorice and gumdrops. The sugar and phosphate backbone of DNA is represented by alternating red and black...

    $1 - $5 per group Ages 8 - 14 45 to 60 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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    WGBH
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    In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc....

    $1 - $5 per group Ages 6 - 11 30 to 45 minutes