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Formation of a Precipitate
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Learners create hard water by mixing Epsom salt and water. Then they compare what happens when soap solution is mixed with hard water and regular water.
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Gas Production: Blow up a balloon!
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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.
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Create Gas
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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.
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Snowstorm in a Jar
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In this activity, learners will experiment with density and chemical reactions to create a flurry activity.
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Glow Fast, Glow Slow: Alter the Rate of a Reaction!
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Learners investigate one factor affecting reaction rates: temperature. In a darkened room, two identical lightsticks are placed in water -- one in hot water and one in cold water.
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Change in Temperature: Endothermic Reaction
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Learners investigate signs of a chemical reaction when they mix vinegar and baking soda. In addition to a gas being produced, learners also notice the temperature decreases.
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Diving Submarine
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Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water.
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DIY Bath Bombs
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In this activity, learners will explore acid-base reactions and create their own bubbly results.
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Atoms and Matter (K-2)
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In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.
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Operation Espionage
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In this activity, learners create and reveal secret messages written with invisible ink! The invisible ink is actually a baking soda solution, and the magical revealing liquid is fruit juice.
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Polishing Pennies
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In this experiment, learners try different liquids to see which ones clean pennies best. Liquids to try include water, lemon juice, cola, vinegar, and dishwashing detergent.
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DIY Elephant Toothpaste
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In this activity, learners will experiment with catalysts to create an at-home version of elephant toothpaste.
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Matter of Degree
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In two separate bags, learners mix water with Epsom salts and detergent.
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Exploring Properties: Surface Area
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This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.
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Ready, Set, Fizz!
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In this activity, learners explore the chemical reaction between water and effervescent antacid tablets. This hands-on activity models how a material can act differently when it's nanometer-sized.
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Using Chemical Change to Identify an Unknown
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In this activity, learners will develop a method to test five similar-looking powders (baking soda, baking powder, cream of tartar, detergent, and cornstarch) with four test liquids (water, vinegar, i
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Rockets Away
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In this activity, learners build a simple "rocket" with ordinary household materials to demonstrate the basic principles behind rocketry and the principle of reaction.
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Powder Particulars
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In this introductory activity and demonstration, learners are introduced to the concept that different substances react chemically in characteristic ways.
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Breaking Up with Combustion
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This activity teaches combustion as the interaction of a fuel source and oxygen.
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Flubber: Make a polymer!
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This activity (on page 2 of the PDF) features a recipe to create the stretchy polymer Flubber from Borax detergent, white glue, and water.