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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 uses paper chromatography to  investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.
Fifth Grade
Physical Science
Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.
Fifth Grade
Physical Science
This science fair project idea produces varying pitches of sound.
Fifth Grade
Physical Science
Examine the effect of pressure on carbonation in soda.
Fifth Grade
Chemistry
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
Fifth Grade
Physics
This science fair project idea explores  whether a plastic slinky works as well as a metal slinky when walking it down the stairs.
Fifth Grade
Physical Science
This science fair project idea explores whether white light can be separated into different colors.
Fifth Grade
Physical Science
This science fair project idea investigates how magnetism can defy the force of gravity.
Fifth Grade
Physical Science
This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.
Fifth Grade
Chemistry
In this science fair project, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
Fifth Grade
Physical Science
Will the shape of an ice cube impact how fast the ice melts?
Fifth Grade
Physics

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