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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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Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!
Physics
Fourth Grade
Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.
Psychology and Sociology
Eighth Grade
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
Physics
Fifth Grade
Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.
Electricity and Magnetism
Sixth Grade
This cool music science fair project idea has kids determine the effect of music on memory. Can music improve our cognitive abilities? Why or why not?
Psychology and Sociology
Middle School
High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.
Electricity and Magnetism
Tenth Grade
Check out 10 of our favorite chemistry experiments for kids. Little mad scientists can learn about endothermic and exothermic reactions, electrolysis, oxidation, and combustion with easy experimental procedures that enlighten young minds while minimizing the need for specialized equipment.
Chemistry
Science Fair Project Ideas
Do people only 'hear' what they want to hear? Explore pareidolia and psychoacoustics  with this easy science fair project that pits melody against white noise.
Psychology and Sociology
Eighth Grade
The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.
Psychology and Sociology
Tenth Grade

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