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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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This experiment examines if space objects become round after reaching a certain mass.
Astronomy
High School
Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.
Engineering
Fourth Grade
In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.
Engineering
Ninth Grade
This experiment will explore how manipulating a graph of historical information might reveal new information about data.
Astronomy
High School
Play with balance and simple engineering as you hurry to create a sturdy rock tower.
Engineering
Second Grade
Can you dig it? This science experiment isn't for kids who like to keep their hands clean.
Engineering
First Grade
Collect meteorite dust with a magnet in your very own backyard!  The objective of this science fair project is to gather meteorite dust to study outer space.
Astronomy
Elementary School
.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.
Engineering
Sixth Grade
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Engineering
Fifth Grade

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