Check out this cool science fair project on identifying rocks and minerals for kids.

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

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Determine if gender affects the ability to identify different smells.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

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 uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This science fair project idea produces varying pitches of sound.

Cleaning can be a chore, but not with this sudsy experiment!

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

Science fair project that determines whether mass and weight are the same or different.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

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

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.