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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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In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.
Eighth Grade
Botany
Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.
Eighth Grade
Botany
Science fair project which determines which colors of light allow plants to produce the most chlorophyll. How are color and light related to each other?
Eighth Grade
Botany
Science fair project in which you will graft branches from different fruit tree onto a root stalk.
Eighth Grade
Botany
Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.
Eighth Grade
Botany
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
Botany

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