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    NASA
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    In this activity (page 10 of PDF), learners approximate the area of the uppermost cross section of an impact crater using a variety of square grids. They conclude which angle of impact results in...

    $5 - $10 per student Ages 8 - 14 45 to 60 minutes
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    American Association for the Advancement of Science
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    In this online game, learners attempt to send a rocket ship to various targets. Learners can adjust the angle and thrust of the rocket before it is launched. The game simulates the pull of gravity...

    free Ages 8 - 11 10 to 30 minutes
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    IEEE
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    In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials. They then test their trebuchets to determine the farthest distance they can hit...

    $10 - $20 per group Ages 11 - 18 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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    Community Science Workshop Network
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    In this activity, learners build mini catapults using paint paddles and a spoon. Use this activity to introduce learners to forces and projectile motion.

    $1 - $5 per student Ages 6 - 18 10 to 30 minutes
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    NASA
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    In this activity (page 18 of PDF), learners will measure the volume of impact craters created by projectiles of different masses. They will also draw connections between the mass of the projectile...

    $10 - $20 per student Ages 8 - 14 45 to 60 minutes
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    The Exploratorium
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    With little more than a plastic bottle, some vinyl tubing, and a length of PVC pipe, make a rocket and a rocket launcher and investigate how rockets fly. The activity includes three short online...

    1 cent - $1 per student Ages 8 - 14 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners construct their own small catapults using simple materials. Learners follow visual instructions to build their launching device. This activity can be used as a lesson on...

    $10 - $20 per student Ages 8 - 18 1 to 2 hours
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    Community Science Workshop Network
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    In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion....

    Over $20 per student Ages 6 - 18 1 to 2 hours
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    NASA
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    In this activity (page 23 of PDF), learners conduct an experiment to determine how the size and mass of a projectile affects the area and the volume of an impact crater. Learners will use formulas...

    $10 - $20 per group Ages 8 - 14 45 to 60 minutes

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