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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 science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.
Fifth Grade
Elementary School
Are crickets affected by temperature? Test your knowledge! This project examines whether temperature has any effect on the chirping of crickets.
Fifth Grade
Elementary School
The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.
Fifth Grade
Elementary School
This science fair project idea explores the different parts of the human ear and  models how the human ear reacts to sound waves.
Fifth Grade
Elementary School
This science fair project explores how osmotic pressure forces water through the root up into the plant.
Fifth Grade
Elementary School
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
In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.
Fifth Grade
Third Grade
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

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