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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 61 to 75 of 95
Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.
Science Fair Project Ideas
Elementary School
This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.
Science Fair Project Ideas
Eighth Grade
Can a horse lead itself to the carrot?  Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.
Science Fair Project Ideas
Second Grade
The purpose of this science fair project is to prove that mealworms exposed to an electromagnetic field will develop more quickly.
Science Fair Project Ideas
Middle School
Purposely grow mold on cheese!  The hypothesis of this science fair project is that cheese will grow mold faster in a dark place with a warm temperature.
Science Fair Project Ideas
Elementary School
Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.
Science Fair Project Ideas
Kindergarten
This free science fair project explores the 'dirty' relationship between the presence of organic material in soil and water absorbency.
Science Fair Project Ideas
Middle School
The objective of this science fair project is to test how effective waterless hand sanitizers and generic ethanol kill bacteria.
Science Fair Project Ideas
Elementary School
The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.
Science Fair Project Ideas
Third Grade
How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.
Science Fair Project Ideas
Third Grade
Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.
Science Fair Project Ideas
Sixth Grade
The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.
Science Fair Project Ideas
High School
What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.
Science Fair Project Ideas
Second Grade
What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.
Science Fair Project Ideas
Eighth Grade

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