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Engineering Science Fair Projects

Check out this fantastic collection of engineering science fair projects for all grade levels. Whether they involve using solar energy to cook a hotdog or transporting a secret message from a tree house with a balloon rocket, Education.com's engineering projects for kids equip little learners with the knowledge they need to build some impressive machines and solve a variety of fun engineering problems.

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Renewable Energy Project for Kids: Power from Water

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Solar Hot Dog Cooker

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

A Single Movable Pulley and Mechanical Advantage

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

How to Reduce Friction

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Windmill Model Science Project

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.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Science fair project that determines whether algae can be made to grow by feeding it supplementary carbon dioxide.

Hero's Engine: Example of Newton's Third Law

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

How to Make Gears

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Build Your Own Photobioreactor

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

How to Make a Periscope

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Arch Magic: The Unbreakable Egg

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Buoyant Force of Water

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

How to Make a Rubber Band Car

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.

World's First Energy-Saving Microcontroller Powered Generator

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Third-Class Levers in the Human Body

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Energy Efficient Windows

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Sensor Robot Maze

In this cool robotics project, construct a motorized robot with a sensor and put it through a maze test to find the number of errors it makes along the way.

Measuring Heart Rate with Doppler Ultrasound

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

Wind Tunnel Experiment

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

How to Make a Steam Powered Rocket Boat

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

Cell Phone Dead Zones: How Do Dead Zones Occur and What Can We do About Them?

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

Defying Gravity

Free science fair project idea that examines the impact of gravity on a dropped carton of eggs. Design a device to protect the eggs from cracking.

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