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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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Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.
Fifth Grade
Elementary School
What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!
Fifth Grade
Easy
This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Fifth Grade
Elementary School
This project examines whether people's taste perception is influenced by what they see.
First Grade
Fifth Grade
This science experiment tests if dog saliva can really help heal wounds.
Fifth Grade
Elementary School
The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.
Fifth Grade
Ecology
This science fair project idea explores whether mint, known for its √Ęcooling sensation√Ę really does lower temperatures.
Fifth Grade
Elementary School
This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
First Grade
Kindergarten

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