Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Investigate the different ways in which objects and organisms can be classified, create your own. then have volunteers classify using their own systems.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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.

Construct batteries that make electricity from fruits with this fun science fair project.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Dig into the physics of pool to explore some cool applied math and learn about what happens in an elastic collision of equal masses.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

The objective of this experiment is to identify common materials that absorb sound waves with the greatest efficiency.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This project involves the programming and development of a 3D Rubik's Cube application using C++.