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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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There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.
Fifth Grade
Elementary School
Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.
Fifth Grade
Elementary School
This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.
Fifth Grade
Elementary School
Test marble and limestone to determine if acid rain is harmful enough to damage buildings and stone monuments.
Fifth Grade
Fourth Grade
The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.
Fifth Grade
Medium
The goal of the project is to evaluate whether land or water warms more quickly when subjected to increased temperature.
Fifth Grade
Elementary School
The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.
Fifth Grade
Elementary School
This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.
Fifth Grade
Elementary School
This science fair project idea  investigates if heat from direct sunlight is hotter than heat from reflected sunlight.
Fifth Grade
Elementary School
Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.
Fifth Grade
Elementary School
In this project, a mnemonic is used to test how it increases memory.
Fifth Grade
Psychology and Sociology
This science fair project idea investigates how color affects temperature.
Fifth Grade
Elementary School
This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.
Fifth Grade
Elementary School

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