Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

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

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

Make your own helicopter using a paper clip and a sheet of paper. Hold the spinner up in the air, let it go, and watch it spin gracefully to the ground.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This science project teaches students to classify different shapes of leaves.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

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

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

In this activity, you'll send your kindergartener on a scavenger hunt to find sounds and create a sound recording. Here's how!

This project determines what category of person is most likely to be ticklish.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

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

Help children understand the power of germs and the importance of hand washing with this visual activity that introduces the concept of scientific inquiry.