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Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

This fun middle school science fair project idea explores the process of respiration and determines whether boys and girls have the same lung capacity.

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

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

The objective of this experiment is to find out if cooked beans grow faster, if at all, than uncooked beans.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

Science fair project in which you will stage an election campaign to determine whether people are more swayed by a positive ad or negative ad.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

This science fair project idea determines what household items are good conductors of electricity.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Check out this fun science fair project idea to learn about seismic waves and how fast they travel during an earthquake.

Free science fair project idea that measures change in flexibility with age, using a variety of flexibility tests like Sit & Reach.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.