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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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This science fair project idea determines if mice and rats become aggressive when another mouse or rat is introduced into their territory.
Middle School
High School
This science fair project idea determines effective strategies to help students stay awake and attentive.
Middle School
Medium
This science fair project idea's objective is to understand the architecture and function of neurons and their key components.
Middle School
Anatomy
This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.
Elementary School
Fourth Grade
This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.
Middle School
High School
This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.
High School
Hard
This science fair project determines how oil affects a bird’s waterproofing.
Middle School
High School
This science fair project idea determines whether plants grow better in soil or in fish ponds.
Middle School
High School

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