This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

The purpose of this science fair project is to build a basic radio.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.