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Fifth Grade Science Fair Project Ideas

Education.com's 5th grade science projects enable kids to apply everything they've learned over the course of their elementary school careers in order to discover some pretty cool and new things about the world around them. In addition to setting up more sophisticated experimental procedures, 5th graders can analyze their results using more sophisticated math, and may begin to acquire an appreciation for large sample sizes and their ability to produce more reliable averages. Browse our rich collection of 5th grade science fair projects by clicking the boxes to the left to filter your results by scientific subtopic to find fantastic 5th grade science fair projects or enlightening 5th grade science experiments for your young scientist.

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This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.
Fifth Grade
Zoology
Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.
Fifth Grade
Life Science
This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.
Fifth Grade
Botany
Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.
Fifth Grade
Microbiology
This science research project challenges students to think of more effective lobster farming methods.
Fifth Grade
Zoology

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