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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 31 to 45 of 172
Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.
High School
Psychology and Sociology
This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.
Elementary School
Fifth Grade
This science fair project idea tests the efficiency of short term memory.
Middle School
Easy
How well can people recall what they have observed. Test your knowledge in this fun experiment.
Fourth Grade
Psychology and Sociology
Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.
Middle School
Life Science
Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.
Fifth Grade
Sixth Grade
The objective of this science fair project is to determine the rate at which participants can respond to different patterns.
Tenth Grade
Medium
Research optical illusions and human auras. Understand why the probable cause of perception is mach bands.
Middle School
High School
Science fair project which determines whether people are more likely to follow rules if they are easy to understand.
Fifth Grade
Sixth Grade
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Kindergarten
Elementary School
Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.
High School
Medium

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