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

By latweety
Created Mar 3 2007 - 10:06am
Project title:
How can I tell if an egg is hard boiled without breaking it open?
Middle school
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.


Source URL: http://www.sciencehound.com/science_project_community/node/11155