With these Physical Science & Engineering Projects, you’ll be able to discover laws of force and motion, build and construct models and machines, and more! Experience the force of magnetism, the thrust of pressurized gas, or the power of the sun in hands-on activities like building a balloon rocket car.

Check out our Force & Motion page for more hands-on project ideas with the Physics Workshop or Amazing Bridges kits, fascinating books, and more!

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Physics & Engineering Projects

How To Make a Paper Flying Machine

Make a glider that flies farther than a paper airplane using common household items.

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Physics & Engineering Projects

Water Bottle Rocket & Water Balloon Density

Beat the heat and make a splash this summer with a water bottle rocket and water balloon density project.

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Physics & Engineering Projects

Ink & Paper Activities

Learn the history of paper and ink, and make your own berry ink and handmade paper.

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Physics & Engineering Projects

Reaction Time Science Project

Measure your reaction time and see how it stacks up to that of your friends'.

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Physics & Engineering Projects

Crime Scene Science: Fingerprinting

Science can do many things – help us understand the world we live in, develop...

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Physics & Engineering Projects

Mass & Weight Science Projects

Make a balance using stuff you have at home and compare the mass of different items.

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Physics & Engineering Projects

How To Make a Water Wheel

In this project, capture the power of water using a device that has been around for centuries: a water wheel.

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Physics & Engineering Projects

Sinking & Floating Science Projects

Learn about density and why some things float in water while others don't.

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