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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 179
Do human lie detectors exist? Charge up your powers of observation to see if you can tell a lie from the truth.
Psychology and Sociology
Elementary 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
Have you ever wondered how many numbers most people can memorize? Test your friends to find out!
Psychology and Sociology
Third Grade
Can you fool your eyes and your brain with an optical illusion?  The purpose of this science fair project is to demonstrate various kinds of optical illusions.
Psychology and Sociology
Kindergarten
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
Study the effect of music on random rote memory. Examine the practical application of music in learning and education.
Psychology and Sociology
Middle School
Do males really prefer listening to male than female singers? Find out when exploring this science fair project!
Psychology and Sociology
Sixth Grade
Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.
Psychology and Sociology
High School
This science fair project idea investigates the relationship between memory and age.
Psychology and Sociology
Middle School
This science fair project idea examines readersâ expectations in regard to literature.
Psychology and Sociology
High School
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 tests the efficiency of short term memory.
Psychology and Sociology
Middle School

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