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In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Cleaning can be a chore, but not with this sudsy experiment!

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

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

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

Help your young learner discover why the insects that a spider eats stick to its web but the spider doesn't.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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.

This easy project for little hands uses mushroom spores to make an imprint of the mushroom, and the result is very beautiful.

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.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.