NTS - National Testing Service Practice Test
NTS - National Testing Service Everyday Science Concepts Questions and Answers
Why does a large steel ship float on water, while a small steel nail sinks?
Select your answer
A
The steel used in ships is a special, lighter alloy.
B
The ship is hollow and its overall shape displaces a large volume of water.
C
The ocean's salt content makes the water dense enough to support the ship.
D
The ship's engine creates an upward force that keeps it afloat.
Hint