Fifth Grade Science Fair Project Ideas'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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Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.
Fifth Grade
This science fair project idea examines whether boys and girls differ in reflexes.
Fifth Grade
Elementary School
This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.
Fifth Grade
Middle School
Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.
Fifth Grade
Sixth Grade
This science fair project idea determines what household items are good conductors of electricity.
Fifth Grade
Third Grade
Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.
Fifth Grade
Fourth Grade
This science fair project idea observes products available in the school cafeteria and waste produced by these products.
Fifth Grade
Elementary School
The goal of the project is to evaluate whether land or water warms more quickly when subjected to increased temperature.
Fifth Grade
Elementary School

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