How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Science fair project that uses distillation to convert salt water into fresh water.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

This science project researches the correlation between barometric pressure and wind velocity.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

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

This science fair project idea demonstrates that plants give off water.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Learn about how we localize objects and beings in space through sound and about monaural auditory mechanisms and binaural auditory mechanisms.

This science fair project teaches students about wilting and browning of salad greens.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This project explores whether music affects the growth and health of plants.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea explores whether white light can be separated into different colors.

In this kindergarten activity your child will create a map of your house and use a magnet to move pictures of your family through the house!

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.