If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

This project examines whether people's taste perception is influenced by what they see.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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

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.

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.

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!

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!

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.