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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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In this activity, learners conduct a simulation exercise related to public key encryption and try to intercept a message sent between two learners.

free Ages 11 - 18 30 to 45 minutes
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Learners observe projectile motion by launching wooden balls off of a table top. They set up a rubber-band launcher so that each ball experiences a consistent amount of force.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this environmental science lesson, learners will examine the dangers of mercury and how humans contribute to growing mercury emissions on Earth.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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In this activity, learners discover that some things only stand up while they are spinning.

$1 - $5 per student Ages 8 - 14 1 to 2 hours
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In this activity about ramps, learners explore and measure the rate at which spherical objects roll down a ramp.

$1 - $5 per group Ages 4 - 8 45 to 60 minutes
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In this activity, learners create their own constellations and star patterns and write a short, descriptive story explaining the significance of their star pattern/constellation.

$5 - $10 per group Ages 6 - 14 30 to 45 minutes
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In this activity, learners develop an understanding of cylinders and volume as they compare two sizes of popcorn buckets.

1 cent - $1 per group Ages 4 - 8 10 to 30 minutes
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This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships.

1 cent - $1 per group Ages 8 - adult 30 to 45 minutes
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Working in teams of four, learners build tetrahedral kites following specific instructions and using specific materials.

$1 - $5 per group Ages 11 - 14 45 to 60 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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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 chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

$1 - $5 per student Ages 8 - 14 30 to 45 minutes
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In this activity, learners experiment with creating various types of bubble solutions and testing which ingredients form longer-lasting bubbles.

$10 - $20 per student Ages 11 - 14 45 to 60 minutes
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In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.

free Ages 6 - 14 5 to 10 minutes
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In this math lesson, learners learn how to construct stem and leaf plots. Learners first estimate the number of drops of water that will fit on the head of a penny.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners explore dinosaur fossils and a dig site. Learners work in groups to analyze a dig site map and match bones to a skeletal drawing of Kelsey (a Triceratops).

1 cent - $1 per group Ages 6 - 8 45 to 60 minutes
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This great "re-use it" activity will demonstrate how to transform a greeting card into a box. Once constructed, the box can have many uses like holding special notes or keepsakes.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners create a garden in a disposable glove. They learn about the conditions necessary to make the seeds sprout and actively participate in caring for their plants.

$10 - $20 per group Ages 6 - 11 1 to 4 weeks