This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Examine the effect of pressure on carbonation in soda.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Check out this cool science fair project on identifying rocks and minerals for kids.