Determine whether the application of Febreeze will lower the bacterial count.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Get a cool and easy science fair project idea which helps high school students in understanding concepts behind the working of a microphone.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

The purpose of this science fair project is to investigate whether we can simulate how craters are formed and predict their size and shape.

Get a cool science fair project idea for middle schoolers on the effect of adding sugar to the growth of green plants.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

The goal of this science fair project is to investigate the effect of irradiation on the germination and growth of vegetables, such as the tomato plant.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

This science fair project idea raises awareness of a real ecological issue.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

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

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.

Science fair project that determines how we can change potential energy into kinetic energy.

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

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

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

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C

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

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

The objective of this experiment is to evaluate the effects of acid rain on plants.