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Your Safer Source for Science
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Address P.O. Box 219 Batavia, IL 60510
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Item #: AIR-285 

Price: $19.95

In Stock.

Making a cloud with this palm-sized pump is easy.

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Product Details

Making a cloud with this palm-sized pump is easy. Remove the top and put a few drops of water inside the bottle. Add air to the bottle using the pump and watch: as the pressure increases, so does the temperature. Actuate the quick-release top and due to rapid decompression, a cloud forms instantly inside the bottle! A Liquid Crystal thermometer strip measures temperature changes throughout the experiment. This hands-on activity teaches the relationship between pressure and temperature in a closed container. Approx. 26 cm (10.5") tall.