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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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In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!
Fifth Grade
Engineering
Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.
Fifth Grade
Astronomy
This science fair project idea  develops an understanding through experimentation of which shapes are the most structurally strong.
Fifth Grade
Engineering
In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.
Fifth Grade
Engineering
Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.
Fifth Grade
Engineering
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Fifth Grade
Engineering
In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.
Fifth Grade
Astronomy
This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Fifth Grade
Engineering
In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.
Fifth Grade
Engineering
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
Engineering
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
Astronomy
This science fair project investigates why the number of visible stars changes from place to place.
Fifth Grade
Astronomy

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