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Science fair project that determines which foods and drinks contain the highest amount of glucose.

This science fair project idea produces consumable fresh water from salt water through desalination.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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

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

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.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

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.

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

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

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project determines the quality of a given product.

This science fair project idea determines if the color of light affects the growth of plants.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Science fair project that determines whether brain size is correlated with intelligence.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project that compares the properties of different fabrics to determine whether natural or synthetic fabrics are better at wicking away moisture.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This science fair project idea explores what it takes to create a biosphere, or a self-sustaining ecosystem.