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

How well can people recall what they have observed. Test your knowledge in this fun experiment.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project idea examines liquids of different densities.

Create a graph based on the interests of family member's to see who has what in common. Your child will practice her math skills and get to know the family!

The project determines which laundry detergent is best for cleaning clothes.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

In this project, vinegar and salt act as preservatives keeping bacteria from growing in the bouillon mixtures.

Deep relaxation is a great way to create the conditions for learning by helping students let go of tension and worry.

In this project, a basketball containing different psi is dropped to see how well it bounces.

In this project, the affect of acid rain is simulated by the acid, vinegar.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

This science fair project idea researches the effects of acid rain on plant growth.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Graph are a great way to organize information. Your child will get to practice graphing by creating a bar graph and a pictorial graph of her friend's names.

This science fair project idea determines what household items are good conductors of electricity.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.