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This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

This experiment examines whether social orientation (extroversion or introversion) is correlated with memory.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Explore the belief in astrology as a predictive system.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project idea discovers the effect of (high) heat on animal cells.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Invite your fifth grader to test the different rates of liquid absorption in synthetic and cotton materials, such as nylon and cotton.

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Discover which fabrics shrink the most in the wash and why.

Does 100% Fruit Juice have more Vitamin C than juice with artificial ingredients? Find out in this science fair project idea!

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This project is about after-images and what possibly affects them.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

This science fair project idea will be examining oxidation and acid rain

This science fair project idea explores the fastest average speed a human can talk.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.