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What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

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

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.

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

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

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

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 science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

This project determines what category of person is most likely to be ticklish.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project idea explores how length affects the weight a bridge can hold.

This science fair project examines how seeds hitchhike on animals and clothing.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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.

Learn about this simple machine and make a pulley of your own to use for fun science trials.