Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment investigates whether there are certain sounds that affect men and women differently

This science fair experiment examines the relationship between gender, age, and smiling.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

This project explores differences in people's reactions to images in color and images in black and white.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

This science fair project evaluates the suggestibility of males versus females in copying the actions of those around them.

In this project children practice the scientific method while playing with puffy paint.

This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.

This experiment uses personality assessments to evaluate the prevalence of specific character traits in left-handed and right-handed people

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

Does fear cause the same physiologic responses in men and women? This experiment measures people's blood pressure and heart rate while watching a scary movie.

This project explores whether there is an effect on people, including heart rate and self-expressed mood, when they are exposed to different types of music.

This experiment explores the question of whether age and/or gender play a role in people's ability to remember dreams.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

In this experiment, students create music with subliminal messaging to try to influence people's decision-making.

This experiment investigates whether smell can be used to enhance test subjects' memories.