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How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

This project compares the strength of one, two, and three-ply toilet paper.

Declare a "Pocket Day" in your house and help your child practice his addition skills as he counts how many pockets the family is wearing that day!

Examine the effect of pressure on carbonation in soda.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Delay your child's sugar overload, and develop his critical thinking skills, by doing some "sweet sorting" of his Halloween treasures!

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Kids go wild over this colorful and tasty recipe that's perfect for St. Patrick's Day: make green mashed potatoes loaded with healthy vegetables.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Analyze this simple betting game with your fourth grade student in order to discuss probability.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This science fair project idea investigates if fats add to the flavor of food.

Challenge your third-grader to sharpen her new math skills--and maybe do the planet a favor, too.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this science fair project you will make a model of a cell membrane using very simple material.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!