This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

In this cool science project, model how impact craters form on the surface of the moon.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.

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

In this project, the affects of vitamin E are observed on a rose petal.

This science fair project idea quantifies growth of seedlings at various pH levels.

This science fair project idea discovers which parts of the body are more sensitive to touch than other parts of the body.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

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

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

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

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

This science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.

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

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Evaluate if people are more influenced by video or audio advertising.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

This science fair project idea explores how far the average human can see.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

This science fair project idea sheds some "light" on which color of candles burn the longest.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.