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In this activity, learners explore static electricity and electrical charges while experimenting with an inflated balloon, unflavored gelatin powder, and a wool sweater.

$1 - $5 per student Ages 6 - 11 Under 5 minutes
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In this activity, learners mix water, cooking oil, and liquid food coloring to create beautiful colored designs in a cup. Use this activity to explore liquid density and solubility.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

free Ages 4 - adult 10 to 30 minutes
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In this activity, learners construct a device that allows them to look over ledges or around corners.

$5 - $10 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind.

$1 - $5 per group Ages 4 - 11 45 to 60 minutes
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In this activity, learners explore how hot and cold water move. Learners observe that temperature and density affect how liquids rise and fall.

$1 - $5 per student Ages 4 - 11 45 to 60 minutes
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In this activity, learners explore sound by constructing an instrument using some metal pipes, rubber bands, and a baseboard.

$10 - $20 per student Ages 6 - 11 30 to 45 minutes
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In this activity, learners conduct an experiment to test how fast they can react. Learners try to catch a piece of paper with a ruler printed on it (or a ruler) as quickly as they can.

free Ages 6 - 11 5 to 10 minutes
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Birds' beaks are designed to allow birds to get the most of whatever food they need. In this activity, learners get an idea of how different beak shapes suit different food sources.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this activity, learners examine their fingerprints and learn that they can be categorized by shape, but each fingerprint is unique.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity (located on page 5 of PDF), learners work in groups to create dig sites for display.

$10 - $20 per group Ages 6 - 11 30 to 45 minutes
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In this activity, learners explore what makes a boat float and sink. They examine and test various objects to determine why objects float or sink.

$5 - $10 per group Ages 4 - 8 45 to 60 minutes
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In this outdoor activity, learners construct bird feeders and set them up at to investigate bird behavior for one or two weeks. Multiple feeder designs are suggested.

$10 - $20 per group Ages 6 - 14 1 to 4 weeks
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Learners make a counting/estimating jar to exchange with friends or bring home.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners will engineer three different parachutes to test how well each one works.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners will build thier own balance scale. Learners will explore weight and comparison through this activity.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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Learners place water and part of an antacid tablet in a film canister. The reaction creates a gas reaction that launches the film canister like a rocket.

1 cent - $1 per student Ages 6 - 18 Under 5 minutes
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In this quick activity, learners explore static electricity using a plastic comb, wool cloth, puffed rice, and a plastic bag.

1 cent - $1 per student Ages 4 - 14 Under 5 minutes
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In this activity (located on page 3 of the PDF), learners investigate the way water moves and how we can control and direct water.

$5 - $10 per group Ages 4 - 8 45 to 60 minutes