This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

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

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.