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In this activity, learners examine fingerprints. Learners leave a hidden print on a surface and then make their own print detecting powder from graphite (found in pencils).

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.

$5 - $10 per group Ages 4 - 14 10 to 30 minutes
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Learners investigate how temperature affects the rate of chemical reactions by observing how steel wool reacts with various types of Kool-Aid solutions at different temperatures.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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Learners use a simple process to extract DNA from strawberries.

$1 - $5 per group Ages 8 - 14 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 activity, learners create a mixture of water, alcohol and permanent marker ink, and then add salt to form a colored alcohol layer on top of a colorless water layer.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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Learners design their own experiment to investigate how pollution diffuses through ground material.

$1 - $5 per group Ages 11 - 14 30 to 45 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
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In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the marbles.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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This lesson gives full instructions for making cabbage juice indicator, a procedure sheet for learners to record observations as they use the indicator to test materials, and extension activities to d

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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In two separate bags, learners mix water with Epsom salts and detergent.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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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.

$5 - $10 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners mix several sugar solutions to investigate the property of density. Each sugar solution has a different density and color of the rainbow.

$1 - $5 per group Ages 8 - 14 30 to 45 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