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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 212
Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.
Middle School
Electricity and Magnetism
This science project challenges students to study the salt content in tap water and learn about electrochemistry.
Middle School
Electricity and Magnetism
Examine how a battery can be made from everyday materials.
Middle School
High School
Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.
Sixth Grade
Electricity and Magnetism
.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.
Sixth Grade
Engineering
How fast is the wind blowing? This science experiment provides step-by-step instructions to help you answer this question.
Middle School
Electricity and Magnetism
This science fair project idea explores  if an LED light can be powered by vegetables and/or fruits.
Middle School
High School
Can the force of air be used to propel a vehicle? This science experiment provides step-by-step instructions to help you answer this question.
Middle School
Electricity and Magnetism
Elementary School
Electricity and Magnetism
In this free science fair project idea, we learn about how insulators preserve heat and warmth by preventing energy transfer.
Middle School
Chemistry
Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.
Elementary School
Electricity and Magnetism
Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.
Middle School
Electricity and Magnetism

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