How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

Determine how proficient you are at making estimations and learn how to make more reasonable estimates.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Determine whether the application of Febreeze will lower the bacterial count.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

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

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

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

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Get your kids in the kitchen this Fourth of July and celebrate the holiday with some delicious and nutritious kid-friendly recipes!

This science fair project idea raises awareness of a real ecological issue.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project teaches students about wilting and browning of salad greens.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Science fair project that determines how we can change potential energy into kinetic energy.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.