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This science fair project idea explores discover whether there are any patterns or trends in the memories between different genders.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Investigate how to keep your fruit fresh for longer. The purpose of this science experiment it to determine which kind of bag best preserves fruit.

This science fair project idea explores if people with cool skin tones prefer cool colors and people with warm skin tones prefer warm colors.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun 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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Recycling may be a confusing concept for your little one, so take the time to teach them the magic of compost - right in your own backyard!

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!