Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Give some of your local ladybugs a warm place to stay for the winter by making a ladybug home with recycled materials.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Slip some science into storm watching with a homemade rain gauge!

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

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

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

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

People have favorite flavors, but what about ants? Which ant food is the most popular?