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The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Test whether spot magnets can help improve the symptoms of an injury.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!

Construct and experiment with a periscope using reflected light rays to gather an image.

Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

Your kindergartener will make prints of his favorite fruits and vegetables and learn how to organize and assemble his very own book.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

Show your teen how to analyze the nutritional value of her favorite meals. She may be surprised to find out how healthy--or not--her favorite foods are!

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

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

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.