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Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

Learn all about balance and motion as your child designs a corn maze!

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Using a toy race car kids create a visual model of the Doppler Effect.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.