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    American Chemical Society
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    In this activity learners compare the bounciness of warm and cold racquetballs to see if temperature makes a difference in how well they bounce. Use this activity to introduce polymers and...

    $1 - $5 per student Ages 8 - 14 10 to 30 minutes
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    WGBH
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    In this design challenge activity follow up to "Kicking Machine", learners add a hands-free feature to their Kicking Machine. Learners modify their kicking machine to have it either...

    $5 - $10 per student Ages 8 - 14 30 to 45 minutes
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    WGBH
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    In this design challenge activity, learners build a car that can travel at least four feet using rubber band power and use the design process to debug problems. Learners can follow up this activity...

    $1 - $5 per student Ages 8 - 14 30 to 45 minutes
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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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    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
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    WGBH
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    In this activity, challenge learners to design a roller coaster ride for a marble using cardboard and other simple materials. The goal is to have the marble go slow, so it takes as long as possible...

    $1 - $5 per student Ages 6 - 11 30 to 45 minutes
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    WGBH
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    In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface. The activity links to different ideas...

    1 cent - $1 per student Ages 6 - 11 30 to 45 minutes
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    WGBH
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    In this playful, goopy activity, learners mix two liquids to create a solid (that sometimes acts like a liquid ), using basic household materials such as borax and glue. Learners experiment with...

    $1 - $5 per student Ages 6 - 11 45 to 60 minutes
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    NISE Network
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    In this activity, learners assemble large cubes to make nano-related images. Learners discover how different objects are related to nanoscience and nanotechnology.

    $10 - $20 per group Ages 4 - adult 10 to 30 minutes
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    The Tech Interactive
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    In this design challenge, learners will create their own roller coaster using household objects for the track and a marble or small ball as their cart. This activity is a simple introduction to...

    $1 - $5 per group Ages 6 - 14 30 to 45 minutes

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