Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This play-activity causes young children to focus on and become more aware of their sense of hearing and the power of their ears.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

This classic children's game demonstrates how sound travels through air vs. through a solid.

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

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

In this design challenge, your child will use building bricks to create a funny face. The activity instructions include question prompts thta can help guide your child through the creative process, and promote their problem-solving skills.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Help your own young scientist tackle the wonders of static electricity from the comfort of his own home!