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

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Turn all those broken bits of plates, random buttons, or other odds and ends into a lovely flower pot for Mom on Mother's Day.

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

This basketball project explores the best way to make the perfect shot every time.

Introduce your young artist to this art form with this fun and creative activity, which blends arts and crafts with patterning for hidden math practice!

A recycled egg carton and a big imagination is all it takes for these flowers to bloom!

Looking for something to do with all those plastic 2-liter bottles that seem to accumulate endlessly? Turn them into a unique mini birdbath.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Have your child create a little leprechaun to celebrate the season and create a little mischief.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Test whether plants can grow without sunlight and water.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Science fair project that determines whether mass and weight are the same or different.

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

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea explores how length affects the weight a bridge can hold.

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

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Make a paper jack-o'-lantern treat bucket this Halloween! While crafting, your kid will learn about the process of creating self-standing sculptural objects.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.