What will happen if we put some heavy things on top of empty egg shells?

Let's find out!

1. How many bricks did you put on the eggs before the egg
shells cracked?

(a) Were you surprised?

2. It is the shape of an egg that makes it so strong.
What other shapes are strong? Find out about arches.
Use the Internet to find out about some buildings with famous arches.

Draw a picture of the number of bricks your egg shells held up.