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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 114
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
Is garlic antibacterial? Antimicrobial? Kids find out by using common kitchen equipment and ingredients in this cool and easy microbiology science fair project.
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 determine how moisture affects the color of soil.
Science Fair Project Ideas
Kindergarten
The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.
Science Fair Project Ideas
High 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
The purpose of this science fair project is to determine which brands of batteries last the longest.
Science Fair Project Ideas
Elementary School
Explore light and colors with this fun and easy project! The purpose of this science fair project is to investigate how light makes colors.
Science Fair Project Ideas
Kindergarten
How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.
Science Fair Project Ideas
Twelfth Grade
The purpose of this science fair project is to investigate whether crickets prefer the light or the dark.
Science Fair Project Ideas
Kindergarten
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
The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?
Science Fair Project Ideas
Middle School
The purpose of this science fair project is to investigate how dark and light colors absorb heat differently.
Science Fair Project Ideas
Elementary School
The objective of this science fair project is to determine whether pears ripen at different speeds due to environmental conditions.
Science Fair Project Ideas
High School

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