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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 91 to 105 of 182
Is it a square or a circle? See if you can trick your friends with this zany science project!
Psychology and Sociology
Second Grade
This project will explore whether people are emotionally susceptible to suggestions of both humor and sorrow.
Psychology and Sociology
High School
Can you win a staring contest? Would your performance be influenced by your eyesight? Find out in this science fair project idea!
Psychology and Sociology
Sixth Grade
This science fair project idea examines whether boys and girls differ in reflexes.
Psychology and Sociology
Elementary School
Determine which factors promote the greatest  memory interference. Administer test, time how long it takes subjects to complete different tasks.
Psychology and Sociology
High School
It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.
Psychology and Sociology
Elementary School
Test the idea that people who wear glasses tend to be more educated. True or false?
Psychology and Sociology
Sixth Grade
Do males really prefer listening to male than female singers? Find out when exploring this science fair project!
Psychology and Sociology
Sixth Grade
Explore whether pianists have the tendency to type faster than non-pianists.
Psychology and Sociology
Sixth Grade
This science fair project idea tests the efficiency of short term memory.
Psychology and Sociology
Middle School
Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.
Psychology and Sociology
Fifth Grade
This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.
Genetics
Seventh Grade
This science fair project idea examines readersâ expectations in regard to literature.
Psychology and Sociology
High School
Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.
Psychology and Sociology
Elementary School

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