This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea determines how your body responds to allergies.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

This experiment examines if space objects become round after reaching a certain mass.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

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

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

Determine whether carpet placed on a lawn will kill grass and weeds. Choose an area of lawn that you would like to remove, record grass that is dead or dying.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Consult astronomers for opinions and advice. Devise a mathematical argument regarding the probability of other planets supporting extra-terrestrial life.

This project compares the national anthems of several different countries to determine if there is a correlation between tempo and a country's latitude.

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

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?

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

This science fair project idea studies the acidity of rain water and whether the acidity is the same on all rainy days or does it fluctuate.

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.