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Innovating Science

Kit Co2 To The Rescue Acs Kit

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This series of activities, developed by the American Chemical Society through grants from the National Science Foundation and National Institutes of Health, is comprised of a lesson that begins with a design challenge: to invent a small device that could rescue a cell phone that accidentally falls into water. The teacher starts off by showing students a balloon that inflates with carbon dioxide gas as chemicals inside the balloon react with one another. Students conduct a pair of chemical reactions to determine which of two acids react with baking soda to produce the most carbon dioxide gas. Once students determine the best acid to use, they compare the amount of gas produced with different amounts of baking soda. Finally, trying to use the smallest volumes possible, students discover how much of each reactant is needed to fully inflate a small zip-closing plastic bag to see if it can get a model clay cell phone to float. Kit Includes: 1 x 175g Baking Soda 8 x 25g Citric Acid 8 x 5g Calcium Phosphate 1 x 25mL Liquid Dish Detergent 8 Small Metric Measuring Cups 16 Portion Cups, 2oz 8 Clear 10oz Plastic Cup 16 Clear 3oz Plastic Cups 16 Clear 9oz Plastic Wide Cups 9 Long Pipettes 8 Short Pipettes 24 Small Scoops 16 Tubes 40 Reclosable Bags 1 Plastic Spoon 5 Self-inflating Reaction Bags 1 Clear Self-inflating Reaction Bag 160g Clay WARNING: CHOKING HAZARD children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once. DOT Info: Non-regulated

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Kit Co2 To The Rescue Acs Kit
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