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General Engineering Science Fair Project

Super Hero Egg Shells

Super Hero Egg Shells | Science Fair Projects | STEM Projects
Have you ever been amazed at how a suspension bridge can hold the weight of hundreds of passing cars with little or no apparent support underneath it? This experiment will show you how arches are used to support heavy loads.


The hypothesis is that arches are strong because they exert horizontal as well as vertical forces to resist the pressure of heavy loads.

Method & Materials

You will carefully break off the small end of four eggs, remove the egg white and yolk, and wind a piece of cellophane tape around the center of each eggshell. Then, you will cut through the center of the tape to make four dome-shaped shells and lay them on a table with the cut sides down arranged in the shape of a rectangle. Finally, you will guess how many telephone books you can lay on top of the shells before they break.
You will need four eggs, tape, and books.


This experiment demonstrates how arches are used in architecture not only for aesthetic appeal but for a very useful and needed purpose. The crown of an eggshell can support heavy books because the weight is distributed evenly along the structure of the egg.

Why do this project?

This science project is interesting and unique because it uses everyday materials to demonstrate a complex concept.

Also Consider

Experiment variations to consider include using different materials to make the arches, such as cardboard or paper, or using different objects to test the strength of the arches, such as coins or marbles.

Full project details

You can find additional information and details for this science fair project here. Have fun exploring!

Related videos

Hey there! Here are some awesome videos about this science project that we think you'll really like. They're not only super fun, but they'll also help you learn more about the science behind the project. So sit back, relax, and get ready to have some fun!!
Amazing "egg-speriments" to test the strength of eggshells! Learn how to prepare eggshells and see how much weight they can hold!
How many books do you think these eggshell arches can support? Don't be fooled by their delicate appearance, as these eggshell arches have an amazing strength and resilience that allows them to support incredible amounts of weight. See for yourself the impressive capabilities of eggshell structures!
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