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

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

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

This project determines whether hands-on practice, mental practice, or no practice leads to better shooting of free-throws.

High school kids learn about fruit fly ethology in this cool lab that determines fruit fly movement and behavior under different conditions. Check it out.

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Demonstrate if cooking destroys all bacteria that is present in raw meats such as salmonella.

This science fair project ideaexplores whether cooking food destroys potential vitamin levels.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

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.

Determine which metal has the highest rate of conductivity.

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

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

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

This science fair project examines the different composition of fungi and plants.

Determine if left-handed people have faster response times.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

This science fair project idea tests the efficiency of short term memory.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

This project examines the amount of saltwater required to affect the growth of plants and subsequent effects on growth and development.

This science fair project idea studies whether eating a hearty breakfast before and exam will get them better test scores.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.