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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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Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?
Fifth Grade
Easy
This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.
Fifth Grade
Elementary School
Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.
Fifth Grade
Third Grade
Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.
Fifth Grade
Seventh Grade
This science fair project idea  researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.
Fifth Grade
Elementary School
This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.
Fifth Grade
Elementary School
This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.
Fifth Grade
Elementary School
In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.
Fifth Grade
Third Grade

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