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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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A great science fair project on solar oven design that helps kids learn about solar power and solar heating.
Seventh Grade
Eighth Grade
In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.
Fifth Grade
Engineering
Check out 10 of our favorite chemistry experiments for kids. Little mad scientists can learn about endothermic and exothermic reactions, electrolysis, oxidation, and combustion with easy experimental procedures that enlighten young minds while minimizing the need for specialized equipment.
Science Fair Project Ideas
Chemistry
What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.
Third Grade
Anatomy
This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Elementary School
First Grade
In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Sixth Grade
Seventh Grade
In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.
Fourth Grade
Geology
Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.
Elementary School
Fourth Grade
Create your own light bulb and test filaments of different thicknesses to see which keeps the bulb burning for the longest time.
Middle School
High School

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