This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

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

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

In this math and science activity, help your middleschooler learn about proportion and measurement with just her shadow and a tape measure!

This project examines whether and what associations exist between numbers and letters and colors.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Help your child make a beautiful homemade sandcastle that will last!

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

This science fair project compares the abilities of men and women to understand subtle communication through body language.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Using plants and other items from the outdoors and clothing they already own, your kids can dress up as any one of the four seasons or simply as a Garden.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Plants and light seem to be good buddies, but how far does the friendship really go?

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

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

Teach your child about recycling and gardening as she re-uses an empty plastic milk gallon jug to craft a swan-shaped plant container!