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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 46 to 60 of 497
What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.
Weather and Climate
Ninth Grade
This science fair project tests test whether the presence of spell check has changed standards for spelling.
Psychology and Sociology
Elementary School
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Weather and Climate
Fourth 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
This science fair project idea is develops new or improved paper making techniques and encourages recycling.
Consumer Science
Elementary School
This science experiment tests if dog saliva can really help heal wounds.
Health and Medicine
Elementary School
Do people only 'hear' what they want to hear? Explore pareidolia and psychoacoustics  with this easy science fair project that pits melody against white noise.
Psychology and Sociology
Eighth Grade
It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.
Behavioral/Health Science
Middle School
The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.
Behavioral/Health Science
Psychology and Sociology
Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.
Weather and Climate
Fifth Grade
We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.
Behavioral/Health Science
High School
How does frost form?  How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.
Weather and Climate
Third Grade

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