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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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Learners mix vinegar and baking soda together in a bottle to create a chemical reaction. The reaction produces a gas, carbon dioxide, which inflates a balloon attached to the mouth of the bottle.

$1 - $5 per student Ages 6 - 14 Under 5 minutes
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This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners observe as soap bubbles float on a cushion of carbon dioxide gas. Learners blow bubbles into an aquarium filled with a slab of dry ice.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes