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Demonstrate how to tell the age of an egg without having to crack it open.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea determines which flower lasts the longest.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science fair project idea explores whether talking to a plant will help it grow.

Learn about the field of psychophysics and to learn about "Just Noticeable Differences."

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Do you hate to waste energy? In this experiment, you will design a machine that is powered by the process known as energy transformation.

This project explores whether music affects the growth and health of plants.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science project investigates the influence of different genres of movies on appetite.

This experiment evaluates whether a person's eye color affects their ability to identify colors in low light.

Science fair project that determines whether disinfectant sprays or disinfectant soaps are more effective at removing bacteria from hands.

Investigate which substances are most effective at removing salt from water.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

Do suds equal more clean or does a sud-free cleaning agent works just as well or even better?

Discover whether cold or hot water from the faucet will boil faster on the stove.

This project examines how temperature affects the volume of gas in balloons.

Determine the effect of reading aloud on memory skills. Prepare a list of randomly chosen words, ask volunteers to recall as many as possible from the list.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.