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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 166 to 180 of 212
Discover which battery composition (type) lasts the longest.
Middle School
Physical Science
Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.
High School
Medium
Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.
Middle School
Medium
Science fair project that helps visualize how the human brain functions by constructing a model of a brain.
Middle School
Medium
Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.
Middle School
Medium
Create a double-slit interference out of cardboard. Produce an interference pattern that demonstrates the wave and particle characteristics of light.
High School
Medium
This science fair project investigates how temperature of a room affects the burn rate of a candle.
Middle School
Chemistry
Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.
Elementary School
Easy
Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.
Elementary School
Third Grade
In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.
Elementary School
Fourth Grade
This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.
Elementary School
Middle School

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