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Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

In this project students experiment with making music using only glasses of water.

Examine the effect of pressure on carbonation in soda.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Discover whether a metal will expand under hot water.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This project examines what types of objects burn and which burn faster and cleaner.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

This science fair project idea explores whether color affects a person's emotional state.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

What happens when colored beams of light mix? You might be surprised.

This science fair project idea explores substances that cause a bubble to last longer.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea explores whether cats can be trained in the same way that dogs can.