In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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

Make a spring collage with your child to get them outside and those creative juices flowing!

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

This project investigates the affect of storage temperature on microwave popcorn.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

In this activity your child will create their very own marble maze!

This science fair project idea determines what household items are good conductors of electricity.

This science fair project teaches students the differences between fruits and vegetables.

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

This science fair project idea determines what household items are good conductors of electricity.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

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