This science fair project idea determines if the color of light affects the growth of plants.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this project students experiment with making music using only glasses of water.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

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

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project idea identifies trees using a dichotomous key.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Find out which type of sponge holds the most water.