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Eighth Grade Science Fair Project Ideas

Finding eighth grade science fair project ideas can seem like a daunting task. For their 8th grade science fair projects, kids may be expected to employ more rigorous scientific controls, apply statistical analysis to their results, and graph their data. Science fair topics for 8th grade also tend to encourage students to engage in more independent inquiry by conducting original research. To this end, Education.com has put together an excellent collection of enlightening and appropriately rigorous 8th grade science fair project ideas written by our talented team of educational consultants, science teachers, and professional research and laboratory scientists. Use these for your 8th grader's upcoming science fair, or feel free to browse our collection simply to find fun and enriching 8th grade science projects and experiments to use as class projects or extra credit.

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Science fair project that determines which foods and drinks contain the highest amount of glucose.
Eighth Grade
Chemistry
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
Eighth Grade
Physics
Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.
Eighth Grade
Chemistry
This project examines whether more expensive golf balls translate into better results on the golf course.
Eighth Grade
Physical Science
Examine the relationship between air pressure and the perceived loudness of sounds. Scream and whisper with and without a megaphone, contrast results.
Eighth Grade
Physical Science
Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.
Eighth Grade
Physics
Science fair project which tests which antacids are most potent by measuring how well they neutralize the acid in lemon juice.
Eighth Grade
Chemistry
Science fair project that uses distillation to convert salt water into fresh water.
Eighth Grade
Chemistry
Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).
Eighth Grade
Physics
This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.
Eighth Grade
Physical Science

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