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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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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
Sixth Grade
In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.
Fifth Grade
Sixth Grade
In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.
Fifth Grade
Elementary School
Examine the effect of pressure on carbonation in soda.
Fifth Grade
Elementary School
Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.
Fifth Grade
Middle School
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
Elementary School
This science fair project idea explores whether white light can be separated into different colors.
Fifth Grade
Elementary School
Collect meteorite dust with a magnet in your very own backyard!  The objective of this science fair project is to gather meteorite dust to study outer space.
Fifth Grade
Elementary School
This science fair project idea examines whether boys and girls differ in reflexes.
Fifth Grade
Elementary School
This science fair project idea explores which fruit molds the fastest.
Fifth Grade
Microbiology
In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.
Fifth Grade
Elementary School

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