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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 what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.
Eighth Grade
Chemistry
In this experiment, you will find out how human error can cause faults in any science task. This includes experiments conducted by famous scientists also.
Eighth Grade
Physical Science
This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.
Eighth Grade
Physical Science
In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.
Eighth Grade
Physical Science
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
Eighth Grade
Physical Science
Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.
Eighth Grade
Physical Science
Will your liquid weigh less once you remove the fat from it? Find out in this science fair project idea.
Eighth Grade
Chemistry
Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.
Eighth Grade
Physical Science
This project will examine the relationship between wind velocity and direction and the distance a baseball travels.
Eighth Grade
Physical Science
Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.
Eighth Grade
Physical Science

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