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Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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Learners analyze candy-coated sweets using chromatography. Learners use this method to separate the various dyes used to make colored candy.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this demonstration, cook a cake using the heat produced when the cake batter conducts an electric current.

$10 - $20 per group Ages 8 - 18 30 to 45 minutes
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In this activity, learners will experiment with catalysts to create an at-home version of elephant toothpaste.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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What keeps bubbles and other things, like airplanes, floating or flying in the air?

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners explore the properties of metals at four stations. The stations include A) Magnetism and Breakfast Cereal; B) Conductivity of Metals; C) Alloys; and D) Metal Plating.

$10 - $20 per group Ages 8 - 11 45 to 60 minutes
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In this activity (on pages 10-15), learners investigate starch in human diets and how plants make starch (carbohydrates) to use as their food source.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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Use grape juice, baking soda, water and vinegar to make acid and base indicator paper! This activity contains a recipe and instructions for the indicator paper.

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners explore materials through paper chromatography.

$5 - $10 per group Ages 6 - adult 5 to 10 minutes
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In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this game, learners walk through an imaginary Carbon Cycle and explore the ways in which carbon is stored in reservoirs and the processes that transport the carbon atom from one location to another

free Ages 11 - 18 45 to 60 minutes
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In this quick activity, learners observe how salinity and temperature affect the density of water, to better understand the Great Ocean Conveyor.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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Learners carefully look at four known household crystals.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners add dilute bleach solution to water that has been dyed with yellow, blue, and green food color.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this chemistry activity, learners explore density by using four solids and 6 liquids to create colorful, layered rows.

$1 - $5 per group Ages 6 - 18 5 to 10 minutes
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In this activity, learners work in groups to build simple solar stills filled with salt water. After the stills are complete, learners observe what happens when they place the stills in the sun.

1 cent - $1 per group Ages 4 - 11 45 to 60 minutes
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In this chemistry challenge, learners systematically investigate which combination of four solutions produces a deep red color.

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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In this quick activity about the properties of water (page 1 of PDF under SciGirls Activity: Malformed Frogs), learners will use an eyedropper to slowly place one drop of water at a time onto a penny,

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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Through discussion and hands-on experimentation, learners examine the geological (ancient) carbon cycle.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes