This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea determines the most effective method of preserving food.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

What happens when colored beams of light mix? You might be surprised.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project idea determines the probability of a coin landing heads or tails.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This project explores ways to prevent static electrical shocks.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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

This science fair project idea explores whether white light can be separated into different colors.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.