Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

In this project, a basketball containing different psi is dropped to see how well it bounces.

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

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Do males really prefer listening to male than female singers? Find out when exploring this science fair project!

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

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?

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Here's a pressed leaf card project that puts science and writing together for your second grader.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

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

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Determine if left-handed people have faster response times.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This basketball project explores the best way to make the perfect shot every time.

This experiment evaluates whether motivational music can improve athletic performance.

This science fair project idea demonstrates that plants give off water.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?