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The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea shows kids how to grow mold and whether mold grows better in dry or moist conditions.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

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.

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 determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

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

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.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

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?

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Study the impact of environment on seed germination among three materials: soil, paper towel, and cloth. Note when seeds germinate and how well they germinate

Make edible amber fossils with your second grader to explore the fascinating world of science!

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

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?