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Showing results 1 to 12 of 12

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In this activity, learners explore how objects can have positive, negative, or neutral charges, which attract, repel and move between objects.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this online interactive simulation, learners will add different salts to water and then watch the salts dissolve and achieve a dynamic equilibrium with solid precipitate.

free Ages 8 - adult 10 to 30 minutes
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In this activity, learners investigate the process of osmosis by adding salt to a sealed bag of raw carrots and comparing it to a control.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this introductory activity, learners discover that sugar and food coloring dissolve in water but neither dissolves in oil.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners apply a dissolving test to known crystals to identify the unknown. Since the unknown is chemically the same as one of the known crystals, it should dissolve similarly.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners conduct an oxidation experiment that turns old pennies bright and shiny. Learners soak 20 dull, dirty pennies in a bowl of salt and vinegar for five minutes.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity (page 26 of the PDF), learners make observations, formulate hypotheses and design a controlled experiment, based on the reaction of carbon dioxide with calcium hydroxide.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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In this activity, learners will explore how metals react with each other. They will see these metals change before their eyes as they coat a paperclip with the copper taken from a penny.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).

Over $20 per group Ages 4 - 14 10 to 30 minutes
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In this chemistry activity, learners transform two ingredients (4% polyvinyl alcohol solution and 4% borax solution) into gooey slime.

$5 - $10 per student Ages 6 - 18 10 to 30 minutes
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Learners add calcium chloride to a baking soda solution and observe an increase in temperature along with the production of a gas and a white precipitate. These are all signs of a chemical reaction.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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Learners press their fingertip onto a clean Plexiglas sheet. The fingerprints are then revealed as learners dust over the print with fingerprint powder.

$1 - $5 per group Ages 6 - adult Under 5 minutes