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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 124
This science fair project idea  determines whether plants grow better in soil or in fish ponds.
Middle School
High School
This science fair project has kids conduct a blindfolded taste test to determine how smell influences our ability to taste foods.
Elementary School
Fourth Grade
This science fair project idea determines effective strategies to help students stay awake and attentive.
Middle School
Medium
This science fair project idea is develops a modern interior lighthouse design and encourages lighthouse preservation and restoration.
High School
Hard
This science fair project determines how oil affects a bird’s waterproofing.
Middle School
High School
Check out this fun science fair project idea to explore the temperate grassland called prairies and find the reasons for the loss of the great prairies.
Middle School
Medium
This science fair project idea determines whether plants grow better in soil or in fish ponds.
Middle School
High School
Looking for a way to liven up a hot summer day? A little hands-on science is the perfect way to keep your kid occupied. So why not recruit your budding scientist and conduct an experiment or two?
Elementary School
Science Fair Project Ideas
Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.
Third Grade
Fourth Grade

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