You may have heard the expression, "You can't get blood from a stone." But what about oil? Can you get petroleum oil from a stone? In this geology science fair project, you'll find out what kinds of stones make the best storage rocks for oil. You'll see which ones soak up oil the fastest, and which ones can hold the most oil. Can a hard rock really act like a soft sponge -- maybe SpongeBob SquarePants could change his name to RockBob SquarePants? Try this science fair project and find out.