The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

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

This science fair project idea investigates the difference in reaction times between boys and girls.

This science fair project idea explores the different properties of matter.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

In this project, waves of vibrations are experimented with using water in glasses.

The purpose of this science fair project is to build a basic radio.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

The project examines absorbent polymers absorbency in disposable diapers and their unique ecological problem to the environment.

This science fair project idea determines the most effective method of preserving food.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

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 science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Check out this cool science fair project on identifying rocks and minerals for kids.