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In this activity, challenge learners to make a pencil stand on its tip using only two pieces of wire and two clothespins. Use this activity to demonstrate the center of gravity.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this quick activity, learners take a balance challenge to measure their average balance time. As they collect data, they investigate how practice and repetition improve their balance time.

$5 - $10 per group Ages 8 - 11 5 to 10 minutes
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In this quick and simple activity, learners explore how the distribution of the mass of an object determines the position of its center of gravity, its angular momentum, and your ability to balance it

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this activity and/or demonstration, learners illustrate visually and physically that air has weight. Learners balance two equally-inflated balloons hanging from string on a yard stick.

1 cent - $1 per group Ages 8 - 18 5 to 10 minutes
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This is an activity about center of gravity. Learners will balance a fork on a glass by finding its center of gravity.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes