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.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

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

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

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.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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