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In this activity, learners are challenged to design and construct a windmill to harness the power of wind.

Over $20 per group Ages 8 - 18 30 to 45 minutes
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In this activity (on page 1 of the PDF under SciGirls Activity: Soccer Ball Kick), learners will investigate the transfer of energy using sports equipment.

free Ages 8 - 14 30 to 45 minutes
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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.

free Ages 11 - 18 1 to 2 hours
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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.

free Ages 6 - 14 Under 5 minutes
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In this activity, learners burn a peanut, which produces a flame that can be used to boil away water and count the calories contained in the peanut.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
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This fun astronomy activity allows learners to experience finding stars in the night sky that will eventually go supernova. This activity is perfect for a star party outdoors.

1 cent - $1 per group Ages 8 - adult 10 to 30 minutes
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In this activity, learners build a special rolling can that returns back to you when you push it forward. Use this activity to demonstrate the transfer of energy between kinetic and potential energy.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners build a Wilberforce Pendulum, a special coupled pendulum in which energy is transferred between two modes of vibration, longitudinal ("bounce') and torsional ("twist"), on a

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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In this indoor or outdoor demonstration, use a large and small ball to illustrate conservation of energy and momentum.

free Ages 4 - adult Under 5 minutes
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In this activity, learners explore how two cylinders that look the same may roll down a ramp at different rates.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes