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.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This fascinating science fair project explores eye color genotypes.

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

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea explores how length affects the weight a bridge can hold.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This project explores what happens to a rubber band when it is heated and cooled.

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

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

This project examines whether more expensive golf balls translate into better results on the golf course.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

This science fair project idea experiments with spinning color wheels and optical illusions.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

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

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

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

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

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

How powerful is the reaction between baking soda and vinegar? Find out here!

This project uses toy cars to determine how friction and gravity affect cars and braking.

Explore the effect of wind speed on the burning rate of a candle.