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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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The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.
Elementary School
Fourth Grade
Get a cool physics science fair project idea for advance middle school and high school students on how a nuclear chain reaction occurs.
Middle School
High School
Here is a fun physics science fair project idea for advance middle and high school students on the basic idea behind the discovery of photoelectric effect.
Middle School
High School
In this science fair project, you will examine the functions of different food minerals and their effect on the human body.
Middle School
High School
In this science fair project, you will study the difference between the molecular structure of saturated and unsaturated triglycerides.
Middle School
High School
Test the effect of temperature, evaporation rate, and purity of solution on crystal information in this science fair project.
Middle School
High School
In this science fair project, you will determine the freezing and boiling points of water and the effect of salt and other solutes on these temperatures.
Middle School
High School
Check out this simple science fair project idea for middle and high school students on Ohm's law which relates to voltage, current and resistance of a circuit.
Middle School
High School
Select a study area that has a variety of plant life and learn about its ecosystem in this science fair project.
Middle School
High School
In this free science fair project idea, test a friend on how long it takes them to trace the mirror image of an object.
Middle School
High School

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