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In this chemistry activity, learners will explore the concept of entropy. When learners stretch and unstretch a balloon, they will notice a change in temperature.

1 cent - $1 per student Ages 8 - 11 5 to 10 minutes
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In this activity (page 11 of PDF), learners compare the air pressure within a dark and a light bottle both heated by the sun, and discover that solar energy can be collected and stored in many ways


$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this physics activity (page 2 of the PDF), learners will explore the concept of thermal conductivity and learn the differences between high and low thermal conductivity.

$5 - $10 per group Ages 6 - 11 10 to 30 minutes
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In this physics activity (page 4 of the PDF), learners will construct their own spiral "snake" and use it to explore the relationship between heat and kinetic energy.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes