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In this classic reaction, learners baking soda and vinegar in a soda bottle to produce carbon dioxide (CO2) gas. This gas inflates a balloon.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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The demonstration/experiment provides quick proof that air has mass.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes
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In this quick activity, learners observe how wind creates ocean currents.

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