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Showing results 241 to 260 of 277

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In this fascinating and fun experiment, learners use chemistry to identify a mystery powder and to solve a "crime," a process similar to that used by real forensic scientists.

$5 - $10 per group Ages 6 - 11 45 to 60 minutes
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This three-part lab helps learners understand the essential principles governing diffusion and osmosis.

Over $20 per group Ages 14 - 18 4 to 24 hours
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In this hands-on science experiment, students combine their understanding of the different states of matter and the characteristics of various chemical reactions.

$10 - $20 per group Ages 6 - 11 45 to 60 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 activity, learners discover how gelatin can be used as a medium for drug delivery. Learners create colored gelatin and then cut out pieces of the gelatin to simulate medicine (pills).

$1 - $5 per group Ages 8 - 18 4 to 24 hours
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In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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This lesson focuses on surface area and how the shape of sugar crystals may differ as they are grown from sugars of different coarseness.

$1 - $5 per group Ages 8 - 14 1 to 7 days
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In this activity, learners discover how a cabbage juice indicator helps identify acids and bases, and how iodine indicates the presence of starch.

$10 - $20 per student Ages 4 - 8 10 to 30 minutes
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Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.

$1 - $5 per group Ages 11 - 14 2 to 4 hours
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Learners explore soybeans, soak them in water to remove their coat, and then split them open to look inside. They also make a musical shaker out of paper cups, a cardboard tube, and soybeans.

1 cent - $1 per student Ages 4 - 11 45 to 60 minutes
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In this activity, learners separate the protein from milk and and use it to make their own glue.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the different salinities of various sources of water by taste-testing.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore chemistry and the microbial world by making their own sourdough starter and bread at home using only flour and water.

$1 - $5 per student Ages 6 - adult 1 to 7 days
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In this fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.

$10 - $20 per group Ages 8 - 14 1 to 2 hours
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In this kitchen chemistry activity, learners explore the chemistry of crystals by making sugar crystals, consider a common chemical reaction type responsible for the rising of muffins and cake in the

$5 - $10 per group Ages 8 - 14 1 to 7 days
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In this activity, learners create an electrical circuit and investigate how some dissolved substances conduct electricity.

$10 - $20 per group Ages 11 - 14 45 to 60 minutes
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In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
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In this experiment, learners will conduct chemical and physical tests to identify mystery substances.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes