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This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates how the shape of an object affects drag.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This science fair project examines how seeds hitchhike on animals and clothing.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Learn all about balance and motion as your child designs a corn maze!

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

The goal of this project is to create an exciting topographical map out of dough.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

An home science experiment for older students that teaches about the science behind heat.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

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

The purpose of this science fair project is to build a basic radio.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.