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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 76 to 90 of 159
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Weather and Climate
Fifth Grade
This science project examines the history of earthquakes and what we can do to prevent future disasters.
Weather and Climate
High School
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Weather and Climate
Third Grade
In this free science fair project idea, we model how electrons transmit charges with magnets, to reflex the movement of an electric current.
Electricity and Magnetism
Middle School
This project explores ways to prevent static electrical shocks.
Electricity and Magnetism
Elementary School
How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.
Weather and Climate
Second Grade
In this free science fair project idea, we learn about how friction in the atmosphere causes meteors to become hot.
Weather and Climate
Elementary School
In this free science fair project idea, we model what a comet looks like.
Weather and Climate
Elementary School
Does 'short circuit' mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.
Electricity and Magnetism
Middle School
How does hail form and what does it look like? In this free science fair project ideas, you'll learn how to create ice pellets that resemble hail.
Weather and Climate
Elementary School
In this free science fair project idea, we replicate how a meteorite would impact a planet.
Weather and Climate
Elementary School
In this free science fair project idea, we learn about how atmospheric pressure influences objects around us.
Weather and Climate
Middle School

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