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The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Test your friends to find out if you can replicate the placebo effect's incredible results.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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?

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?

This science fair project idea identifies and understands adaptations in birds.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

In this design challenge, students will be tasked with creating a bouncy ball polymer!

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

Determine which video game elevates the heart rate best and burns the most calories.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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.

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

In this experiment you will evaluate whether praise improves athletic performance.

This experiment evaluates whether motivational music can improve athletic performance.

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

This science fair project idea experiments with spinning color wheels and optical illusions.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this science fair project, students use the streak test to tell minerals apart from each other.