Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Compare the amount of ozone in various locations with this science fair project that will have your kid create her own ozone strips!

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project examines how seeds hitchhike on animals and clothing.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Compare the whitening abilities of four different brands of whitening toothpaste to see which one whitens the fastest and which one whitens the most.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Research history of programming language. Design a new or improved programming language. Create a display that illustrates the features and improvements.

Create a colorful, informative display that illustrates the properties of blood cells. Prepare slides using samples of fresh raw beef or chicken bone marrow.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

In this science fair experiment about recycling, demonstrate how the wax from a candle can be reused to make another candle.

In this science fair experiment, middle school students evaluate whether tone of voice can influence our ability to remember a list of everyday objects.

This science fair project researches the most effective method to cut an onion and stay tear-free.

This experiment will explore if magnetism has any effect on the regeneration abilities of flatworms.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Devise an argument for or against the possibility of resurrectin extinct species through DNA manipulation. Analyze data, report findings.

Science fair project which examines how stopping a tomato's ripening process using the enzyme ethylene effects the tomato plant and its reproduction cycle.

Demonstrate that insects observe colors and choose favorites. Place colored pieces of construction paper on a flat, glassy surface, observe bug preference.

In this science fair project, students investigate how different colors influence appetite.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Describe the lives of commercially raised chickens. Contact local chicken farmers for information and advice. Write a detailed report about farming techniques.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea explores the different properties & interactions of sugar molecules.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.