This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

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

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Explore the properties of light and color using photographic filters. Take pictures of color spectrum, compare results of different filters.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

You and your child can create this beautiful butterfly mobile for hanging anywhere in the home (and learn about this magical creature while you're at it).

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Plants and light seem to be good buddies, but how far does the friendship really go?

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

Show your preschooler how to construct this very special planter for Mom. It makes a great pick-me-up, and it's easy for kids to make in a flash!

Help your child celebrate the summer and the sun by making a sandy seascape.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

This activity is a fun way for your first grader to learn about how veggies help your body while being creative with art and drama. Here's how to get started.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Science fair project that determines which materials cause the most friction by sliding blocks of wood down a ramp.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.