April 2022

Making CO2 (Chemistry Experiments)

Making yeast produce carbon dioxide is the aim of this easy experiment. Things Required:Soda bottle1 teaspoonful of sugar1/2 package powdered yeast9-inch balloon18 inches of aquarium tubingModelling clayLimewater (See experiment – Making Limewater for instructions.) Directions:Pour 1/2 package of yeast into the soda bottle. Fill the bottle one-half full with warm water. Add 1 teaspoonful of

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Chemical Breath (Chemistry Experiments)

The purpose of this experiment is to test for the presence of CO2 gas in exhaled breath. Things Required:Limewater (See experiment – Making Limewater for instructions.)StrawPint jar Directions:Fill the jar one-half full with limewater. Use the straw to exhale into the limewater. Continue to exhale into the liquid until a distinctive colour is observed This

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