Start your toy engines -- this is going to be a fast and friction-filled race!

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

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

Uh-oh! Is that a pill sitting on the counter or a piece of candy?

This science fair project idea addresses tempo, and whether faster or slower music works better as a study aid.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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

Check out this fun high school science fair project idea to identify features of a mushroom and learn how do humans use fungi to their benefit?

This experiment investigates whether paper color influences people's ability to remember the information that they read.

Find out if most people can distinguish the difference between tones on different instruments.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This experiment investigates whether left-handed test subjects have better memories than right-handed participants.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

This science fair project will help students learn about non-vascular plants, such as mosses.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

Will male or female hair grow faster? Find out in this science fair project idea!

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.