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Engineering Science Fair Project Ideas

Browse from many free engineering science fair project ideas. These engineering science fair projects are a great place to find ideas for an upcoming science fair.

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In this free science fair project idea, we make a compound microscope by putting together two magnifying lens.
Doubles: How do Objects Look Through a Compound Microscope?
Engineering
Elementary School
This science fair project idea determines if a robot equipped with sound/touch sensor circuitry displays sequential or random movement.
Robot Movement
Engineering
Middle School
In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.
Measuring Heart Rate with Doppler Ultrasound
Engineering
Middle School
Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.
Energy Efficient Windows
Engineering
Fifth Grade
In this science fair project, students will construct their own hovercraft.
DIY Hovercraft
Engineering
Fourth Grade
This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.
Bridge Project
Engineering
Elementary School
What is a great way to improve a building's ability to stay strong under stress? This project explores the process of bracing a building with parallelograms to improve sturdiness.
How to Retrofit a Building
Engineering
Middle School
In this free science fair project idea, we learn about how the Greek mathematician Eratosthenes determined the size and shape of the earth with geometry.
Ancient Techniques of Determining Earth's Size and Shape
Engineering
Middle School
This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.
Arch Magic: The Unbreakable Egg
Engineering
Elementary School
In this free science fair project idea, we wind a rubber band in a machine, and watch it transform potential energy into kinetic energy.
Spool-Racer: How Can a Rubber Band Transform (Change From one Form to Another) Energy?
Engineering
Elementary School
The objective of this project is to examine whether the temperature of an object can be cooled more by evaporating alcohol surrounding by water or air.
Cooled Off: Does Evaporating Alcohol Cool Faster than Water?
Engineering
High School
This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.
Whole and Parts: Taking Things Apart
Engineering
Kindergarten
Does wind speed vary at ground level in comparison to 30 or 40 feet off the ground? Test your knowledge and you decide!
Flying in the Wind: Is the Wind Stronger Above the Ground?
Engineering
Middle School
Lighthouses are built to stand the test of wind! The goal of this project is to test cylindrically shaped items.
Go with the Flow: Why are Lighthouses Round?
Engineering
Middle School
Can you dig it? This science experiment isn't for kids who like to keep their hands clean.
Water Flow Design: Race to the Finish
Engineering
First Grade

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