Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

This project compares the strength of one, two, and three-ply toilet paper.

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

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Find out whether we can create motion in a dish and as a result, create a wonderful and colorful show.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Make a backbone model to explore human anatomy and life science.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

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.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science fair project idea explores whether talking to a plant will help it grow.