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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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Catapult
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Build a catapult that transforms the potential energy of a twisted rubber band into kinetic energy. Experiment with design variations so that you can hit a target with a projectile.
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Red, White and Blue I Demonstration
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In this chemistry demonstration, learners observe a chemical reaction that produces a colorful effect.
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Floating Candles
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In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur.
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Potato Power
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Learners combine hydrogen peroxide with three different forms of potato: raw chunks, ground chunks, and boiled chunks.
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Finding Red
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In this chemistry challenge, learners systematically investigate which combination of four solutions produces a deep red color.
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Trading Places
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In this activity, learners discover that atoms and ions of different metals will change places.
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Reaction: Yes or No?
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In this activity, learners mix ingredients in a plastic bag, and then identify three characteristics of a chemical reaction: production of heat, color change, and production of a gas.
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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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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.