Science Fair Project Ideas 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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Be like Ben (Franklin, that is) and discover electricity in your own backyard. Or kitchen, or bedroom, or school science lab...
Fifth Grade
Science Fair Project Ideas
Explore the electrical energy present in energy drinks.
Middle School
When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?
Second Grade
Electricity and Magnetism
The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.
Elementary School
Fifth Grade
This project explores ways to prevent static electrical shocks.
Elementary School
Fifth Grade
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
Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.
Elementary School
Fourth Grade
Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.
High School
Construct batteries that make electricity from fruits with this fun science fair project.
Fifth Grade
Electricity and Magnetism

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