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Science Fair Project Ideas

Education.com has assembled a vast collection of science fair project ideas written by science teachers, professional scientists, and educational consultants on popular science fair topics ranging from physics and chemistry to biology and even sociology. We offer free science fair ideas suitable for every grade level, be it preschool, kindergarten, elementary school, middle school, or high school. Check the boxes in the sidebar to filter your results, or use the search bar to find that perfect science fair project or experiment your child will be sure to love.

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Showing 1 to 15 of 437
This experiment determines if the color that a person wears when you first meet them influences your initial impression of their personality.
Behavioral/Health Science
Middle School
This project examines whether people's taste perception is influenced by what they see.
Psychology and Sociology
Elementary School
How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.
Health and Medicine
Third Grade
This experiment investigates if stress alters body temperature.
Health and Medicine
Middle School
This experiment evaluates whether the phenomenon of 'choice blindness' occurs more often with men or women.
Behavioral/Health Science
High School
Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.
Psychology and Sociology
Eighth Grade
This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.
Behavioral/Health Science
High School
The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.
Behavioral/Health Science
Middle School
This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.
Psychology and Sociology
Fourth Grade
Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.
Health and Medicine
Seventh Grade
This science fair project teaches students the differences between fruits and vegetables.
Food
Elementary School
This science experiment tests if dog saliva can really help heal wounds.
Health and Medicine
Elementary School

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