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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 in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.
Eighth Grade
Fifth Grade
This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.
Eighth Grade
Elementary School
Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.
Eighth Grade
Seventh Grade
Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.
Eighth Grade
Elementary School
Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector
Eighth Grade
Sixth Grade
In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.
Eighth Grade
Middle School
This experiment tests which gender is better at catching how a magician performs his tricks.
Eighth Grade
Elementary School
This project determines how much the rebound rates of tennis balls change after ten games.
Eighth Grade
Middle School
This project examines how temperature affects the volume of gas in balloons.
Eighth Grade
Middle School
Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.
Eighth Grade
Fifth Grade
Science fair project that determines whether increased levels of ultraviolet radiation are harmful to the growth of lettuce plants.
Eighth Grade
Sixth Grade

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