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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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Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!
Zoology
Fourth Grade
Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.
Science Fair Project Ideas
Eighth Grade
In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.
Science Fair Project Ideas
Second Grade
Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.
Science Fair Project Ideas
Fourth Grade
Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!
Zoology
Fourth Grade
4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.
Zoology
Fourth Grade
Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.
Botany
Kindergarten
In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!
Science Fair Project Ideas
Fifth Grade
Learn about how sugar fermentation and growing yeast in this easy science project! Yeast is a eukaryotic microbe that puts the fun in fungus!
Microbiology
Life Science
Kids make an electromagnet in this electromagnetic induction experiment to learn about induction, current, and the right-hand rule.
Science Fair Project Ideas
Seventh Grade

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