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

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Examine the effect of pressure on carbonation in soda.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

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.

Challenge your learner to design and build a city of their own in this creative engineering activity.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.