Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

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

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

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

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Science fair project that identifies the nature of ionic and covalent bonds and determines how ionic and covalent compounds differ.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

In this project, a magnet is used to collect iron from breakfast cereals.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

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

Are your taste buds up for the challenge? Put tongues to the test with this science fair project that examines who enjoys sour flavors more, adults or kids?

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Make sourdough bread...and learn some colonial history and modern science in the process!

This experiment will explore the best way to create a perfect soft-boiled egg.

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.

Use a dichotomous key to identify plants or animals.

In this science fair project, students examine how temperature affects sugar transport within a plant.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

In this cool science project, model how impact craters form on the surface of the moon.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea investigates how different disinfectants work in killing germs.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.