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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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    California Academy of Sciences
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    In this activity, learners gain knowledge about how carbon moves through all four of the Earth’s major spheres (biosphere, hydrosphere, atmosphere, and lithosphere), and understand how humans...

    1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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    WGBH
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    In this project, students explore how levers work, by making a puppet with moving limbs. After showing students how to make the arms, students are challenged to construct the rest of the puppet on...

    1 cent - $1 per student Ages 6 - 11 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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