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.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Learn with makes water molecules work with this fun and easy science activity!

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

This science fair project idea examines the reason boats are shaped and engineered.