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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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These science fair experiments demonstrate the chemistry of rust and the oxidation process.
Fifth Grade
Elementary School
This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.
Fifth Grade
Elementary School
This science fair project idea determines the probability of a coin landing heads or tails.
Fifth Grade
Elementary School
This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.
Fifth Grade
Elementary School
This science fair project idea studies an optical illusion and explores whether a person is using their left or right brain hemisphere.
Fifth Grade
Elementary School
In this project, a magnet is used to collect iron from breakfast cereals.
Fifth Grade
Chemistry
This project investigates the affect of storage temperature on microwave popcorn.
Fifth Grade
Elementary School
This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.
Fifth Grade
Elementary School
This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.
Fifth Grade
Elementary School
Construct and experiment with a periscope using reflected light rays to gather an image.
Fifth Grade
Fourth Grade
Test marble and limestone to determine if acid rain is harmful enough to damage buildings and stone monuments.
Fifth Grade
Fourth Grade
This science fair project idea examines the reason boats are shaped and engineered.
Fifth Grade
Elementary School

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