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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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Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.
Food
Third Grade
This experiment evaluates whether the phenomenon of 'choice blindness' occurs more often with men or women.
Behavioral/Health Science
High School
The objective of this experiment is to evaluate which types of people are most impacted by the McCollough effect.
Behavioral/Health Science
Middle School
This science experiment tests if dog saliva can really help heal wounds.
Health and Medicine
Elementary School
This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Engineering
Elementary School
This experiment investigates if stress alters body temperature.
Health and Medicine
Middle School
Certain fruits can change gelatinĂ¢s ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.
Food
Third Grade
In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.
Applied Mathematics
Ninth Grade
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Engineering
Sixth Grade
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Engineering
Fifth Grade

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