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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 170
In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.
Health and Medicine
Middle School
This experiment evaluates how much influence an enticing package has on childrensâ willingness to try a new snack.
Behavioral/Health Science
High School
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
This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.
Behavioral/Health Science
Middle School
This project examines whether people who are frequent users of Facebook feel less or more lonely than infrequent Facebook-users.
Behavioral/Health Science
Middle School
This science experiment tests if dog saliva can really help heal wounds.
Health and Medicine
Elementary School
This experiment evaluates which road-side objects have the greatest influence on driving speed.
Behavioral/Health Science
Middle 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 project investigates an interesting question: If one learns to write backwards, is one also able to read backwards?
Behavioral/Health Science
Elementary School
This experiment investigates if stress alters body temperature.
Health and Medicine
Middle School
This project investigates whether chewing gum can help a majority of people with focus and concentration.
Behavioral/Health Science
Health and Medicine
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

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