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In this activity, learners discover if carbon dioxide has an effect on temperature.

1 cent - $1 per group Ages 6 - 14 1 to 2 hours
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In this two-part activity, learners use everyday materials to visualize one mole of gas or 22.4 liters of gas. The first activity involves sublimating dry ice in large garbage bag.

$1 - $5 per group Ages 11 - 18 10 to 30 minutes
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In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.

Over $20 per group Ages 4 - adult 10 to 30 minutes