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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 16 to 30 of 497
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
It's easy to do science in the kitchen with these fantastic food experiments for kids. Little gastronomers will observe the enzymatic activity of pineapple, quantify the amount of grease in potato chips, and discover effective ways to inhibit (or encourage!) mold growth on bread with this series of fun and enriching science fair projects. Bon Appétit!
Food
Science Fair Project Ideas
Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.
Food
Fifth Grade
The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.
Behavioral/Health Science
Middle School
Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.
Weather and Climate
Seventh Grade
This project examines whether people who are frequent users of Facebook feel less or more lonely than infrequent Facebook-users.
Behavioral/Health Science
Psychology and Sociology
This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.
Behavioral/Health Science
Elementary School
In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.
Food
Second Grade
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
Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.
Weather and Climate
Fourth Grade
This project examines the common belief that with increasing age, people are less willing to adopt new technology.
Psychology and Sociology
Fourth Grade
This experiment evaluates if personality affects the type of movies that people prefer.
Behavioral/Health Science
High School
This experiment investigates if stress alters body temperature.
Health and Medicine
Middle School

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