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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  produces sounds by creating vibrations using different objects.
Fifth Grade
Elementary School
How do organic materials become soil? This science experiment measures what materials biodegrade.
Fifth Grade
Elementary School
Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.
Fifth Grade
Sixth Grade
Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.
Fifth Grade
Sixth Grade
Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.
Fifth Grade
Second Grade
The goal of this evaporation experiment is to learn about how different external conditions affect drying time.
Fifth Grade
Second Grade
This science fair project idea identifies trees using a dichotomous key.
Fifth Grade
Elementary School
In this project, a mnemonic is used to test how it increases memory.
Fifth Grade
Elementary School
Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?
Fifth Grade
Sixth Grade
Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.
Fifth Grade
Sixth Grade
Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.
Fifth Grade
Fourth Grade
This science fair project idea examines which type of insulation holds in the most heat.
Fifth Grade
Elementary School
Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?
Fifth Grade
Third Grade
Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?
Fifth Grade
Third Grade
Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.
Fifth Grade
Fourth Grade

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