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Skin Deep
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In this activity, learners explore how to protect their skin while applying pesticides to plants.

Public Key Encryption: Kid Krypto
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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.

Watch It Fly
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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.
Mercury in the Environment
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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.

Tops
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In this activity, learners discover that some things only stand up while they are spinning.

Ramps 1: Let it Roll!
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In this activity about ramps, learners explore and measure the rate at which spherical objects roll down a ramp.
Stories in the Sky
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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.

Buckets of Popcorn
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In this activity, learners develop an understanding of cylinders and volume as they compare two sizes of popcorn buckets.

Modeling Mendel's Pea Experiment
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This modeling activity allows learners to discover for themselves what Mendel uncovered in his famous pea experiments.

Battleships: Searching Algorithms
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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.

Building Tetrahedral Kites
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Working in teams of four, learners build tetrahedral kites following specific instructions and using specific materials.

A Funny Taste
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In this activity, learners explore the different salinities of various sources of water by taste-testing.

How Much Water is in that Cloud?
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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.

Chromatography Can Separate!
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In this chemistry activity, learners use thin layer chromatography to determine the molecular composition of different markers.

Best Bubbles
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In this activity, learners experiment with creating various types of bubble solutions and testing which ingredients form longer-lasting bubbles.

The Rumblin' Road: Determining distance to a Thunderstorm
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In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.

Statistics: Wet Heads
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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.

Kelsey: Clues of the Dig Site Map
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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).

Box Ecology
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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.

Glove Gardens
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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.