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Information Hiding: Sharing Secrets
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This activity about cryptographic techniques illustrates a situation where information is shared, and yet none of it is revealed.

Bookshelf
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In this activity, learners use simple tools to build a bookshelf with a built-in bookend.

Exploring Forces: Gravity
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In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.

Three Little Pigs
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In this activity, leaners explore building techniques by recreating the story of The Three Little Pigs.

Design a Parachute
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After a discussion about what a parachute is and how it works, learners create parachutes using different materials that they think will work best.
Butterflies in Space
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The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.
We Have Capture!
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Using simple materials, learners will construct the end effector (grasping device) of a robotic arm and use the device to capture and pick up an object.

Trail Construction
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In this highly physical outdoor activity, learners construct and compare experimental trail sections to select the best trail-construction technique for their site.

Beat the Clock: Sorting Networks
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Even fast computers are limited to how quickly they can solve problems. One way to speed things up is to use several computers at once.

Make a Model of a Home Made From Shipping Containers
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In this activity, learners watch a video to learn about a couple who built a home out of shipping containers in Brooklyn, New York.

Cutting it Down to Nano
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This simple activity uses paper and scissors to convey two key concepts to learners: the nanoscale is very small and working on the nanoscale requires special tools.

Finger Basketball
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In this activity, learners build mini-basketball courts using cardboard and measuring spoons. Use this activity to introduce learners to catapults, forces, and levers.

Community Wind Project
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In this thought-provoking activity, learners plan a hypothetical project to build and operate wind turbines in their community.

Weather Vane
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In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.

Moving and Working in Space
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In this activity, groups of four learners must complete a set of four manual tasks. The restrictions are that they must complete the tasks in a limited time while wearing garden or rubber gloves.

Neato-Magneto Planets
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In this activity, teams of learners study magnetic fields at four separate stations: examining magnetic fields generated by everyday items, mapping out a magnetic field using a compass, creating model

Bridge Building
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This is a quick activity (on page 2 of the PDF under Hockey Sticks Activity) about how the arrangement of carbon atoms determines carbon's different properties.

Seeing the World Through a Different Lens
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Learners participate in a variety of activities modeling different disabilities.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

Oil Spill Solutions
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In this activity, learners explore how environmental engineers might approach solving the problem of an oil spill.