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

Balloon Jet

Learn about the principles of thrust as you make a balloon rocket.

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Physics & Engineering Projects

Optical Illusions

Trick your eyes and discover how your brain sees with fun optical illusions!

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Physics & Engineering Projects

How To Make a Cartesian Diver

Learn about buoyancy and density when you make a cartesian diver with this science project.

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Physics & Engineering Projects

How To Make 3D Glasses Science Project

Make your own 3D glasses and learn about humans' binocular vision.

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Physics & Engineering Projects

Build an Igloo

Build a full-size igloo with snow or an ice cube model without!

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Physics & Engineering Projects

How To Make a Kaleidoscope

Learn about light and optics by making your own kaleidoscope.

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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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