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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 91 to 105 of 161
This science fair project idea lets you build your own wind tunnel and tests different models of paper airplane.
Middle School
High School
Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.
Ninth Grade
Physics
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
Fifth Grade
Seventh Grade
Science fair project that uses distillation to convert salt water into fresh water.
Seventh Grade
Eighth Grade
This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.
Elementary School
First Grade
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
Second Grade
Third Grade
This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.
Fifth Grade
Easy
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Fifth Grade
Easy
Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.
Sixth Grade
Easy
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Third Grade
Fourth Grade
Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.
Fourth Grade
Fifth Grade
Study emulsifiers and learn how work, use in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.
Eighth Grade
Ninth Grade

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