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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

Scavenger Hunt! Check out this fun science fair project idea to explore the difference between opaque, translucent, and transparent objects around your house.

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

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea investigates how color affects temperature.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

Research information on vitamin content in foods, Examine the effect of vitamins, test organic samples of fruits, meats, grains for vitamin content.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Discover how and which salt melts ice the quickest.

Here's a fun activity to reinforce the physics concept of stored energy for your middle schooler.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Take a dive into the candy jar with this yummy science experiment.

This experiment evaluates if personality affects the type of movies that people prefer.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Make a list of items that need repurposing such as e-waste, batteries and mattresses. Invent your own original repurposed design.

Experiment with fermenting various fruits, grains or syrups. Describe and illustrate the fermentation process in a detailed report.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

This project will examine the relationship between materials and air resistance.