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    IEEE
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    In this activity, learners explore the concept of how aerospace engineering has impacted sports, specifically exploring the design of golf balls. Learners work in teams to explore the physics of...

    free Ages 11 - 18 1 to 2 hours
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    Institute of Physics
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    In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum. Learners will compare how high the balls bounce when bounced individually or...

    free Ages 4 - adult Under 5 minutes
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    Colorado State University
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    This is a quick, yet dramatic activity/demonstration that introduces learners to the concept of energy transfer. A small ball is placed on top of a large ball and both are dropped together. The...

    free Ages 6 - 14 Under 5 minutes
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    NOAA
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    In this quick activity, learners use a toaster to investigate the source for the Earth's wind. Learners hold a pinwheel above a toaster to discover that rising heat causes wind. Use this...

    free Ages 4 - 14 Under 5 minutes
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    Center for Engineering Educational Outreach, Tufts University
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    In this activity, learners investigate the properties of different types of balls. Learners conduct experiments on four different balls to see which can bounce the highest and which continues...

    free Ages 8 - 11 1 to 2 hours
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    Integrated Teaching and Learning Program, College of Engineering, University of Colorado at Boulder
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    Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions. This activity can be combined with other activities to create...

    free Ages 11 - 18 30 to 45 minutes
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    COSI
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    In this activity about gravity (page eight of the pdf), learners will very simply explore how gravity affects objects using balls and toys. They will also explore the different forces they can use...

    free Ages 4 - 8 10 to 30 minutes