How can I tell if an egg is hard boiled without breaking it open?

	Project title: How can I tell if an egg is hard boiled without breaking it open?
Difficulty level:	Middle school
Main link:	None

Hypothesis:

I think id be able 2 tell by the way the egg feels.

Materials:

small pot
4 eggs
stove
measuring cup
water

The Procedure:

pour one cup of water into pot with 2 eggs in the pot.
turn on the stove and let egg boil.
take the pot off the stove and let the eggs cool.
now see if u can see the difference between the two boiled eggs and the unboiled eggs.

Results:

i havent done it yet but i am about 2 try it.