By making a decorative design when making a projects................................
the shell of an egg
This is an egg that can be in a shell and out of a shell.
No.
the shell of an egg
place it in a bowl of vinegar and the shell will dissolve separating the shell which is now dissolved and the egg which is still being held in the membrane
If you are using the egg shell for art work the left over albumen can stick to the inside of the shell and decay. Best to give it a wash out.
Acid does because it does.
shell
To make a rubber ball out of an egg, first hard boil the egg and remove the shell. Then soak the egg in vinegar for a few days until the shell dissolves, leaving behind a rubbery membrane. Rinse the egg membrane in water and shape it into a ball.
You can't. You must first crack the egg out of the shell (you can't bake with the egg shell). And you have to mix in the egg into the batter. Otherwise you will end up with a cooked egg in your cake.
egg shell
A leathery shell is a shell that is flexible rather than solid like the shell of a bird egg. A snake's egg has a shell that is flexible, as does a turtle's egg.