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Learners test two jars containing soil, one covered and one open, for changes in temperature. After placing the jars in the Sun, learners discover that the covered jar cools down more slowly.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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Create a chemical reaction that makes cheese! This hands-on activity demonstrates that molecules and atoms are tiny particles that make up everything around us.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners get a closer look at the shape of a drop of water and a drop of oil. Learners first drip water onto wax paper and examine the shape of separate drops from a side view.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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This is written as a static display, but can easily be adapted to a hands-on experiment for learners to conduct.

$5 - $10 per group Ages 11 - adult 10 to 30 minutes
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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 test two jars, one containing plain air and one containing carbon dioxide gas, to see their reactions to temperature changes.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners make "totally tubular" forms of carbon. Learners use chicken wire to build macro models of carbon nanotubes.

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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This design challenge is an open-ended exploration of linkages, a group of parts connected by hinges, and the types of motion they can create.

$1 - $5 per student Ages 8 - adult 10 to 30 minutes
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In this demonstration, learners discover that nanoparticles behave differently, in part because they have a high surface area to volume ratio.

Over $20 per group Ages 6 - adult 10 to 30 minutes
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This activity demonstrates the specificity of viral vectors for target cells in gene therapy delivery methods using two approaches: 1) STYROFOAM® models demonstrate viral ligand binding to receptor pr

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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Create 3D glasses and use them to explore color, light and optics. Fool your brain into 'seeing' three dimensions on a flat surface!

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners use multiple thermometers, placed at different angles, and a lamp to investigate why some places on Earth's surface are much hotter than others.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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In this activity, learners explore how to protect their skin while applying pesticides to plants.

$10 - $20 per group Ages 8 - 14 10 to 30 minutes
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Learners add drops of four liquids (water, alcohol, salt water, and detergent solution) to different surfaces and observe the liquids' behavior.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners cut out a fish and then "paint" it using universal indicator and acids and bases.

$1 - $5 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners create a simple “top” from a CD, marble and bottle cap, and use it as a spinning platform for a variety of illusion-generating patterns.

$1 - $5 per student Ages 8 - 18 10 to 30 minutes
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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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Learners see that a carrot slice sinks in fresh water and floats in saltwater.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners working in pairs saturate a cotton ball using water drops from an eyedropper to demonstrate the high water capacity of clouds.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this two part activity, learners become draft detectives by constructing their own draft catchers to detect drafts around windows or doors.

$5 - $10 per student Ages 4 - 14 10 to 30 minutes