A Piece of Iron Sinks to the Bottom of a Lake

question 38

Multiple Choice

A piece of iron sinks to the bottom of a lake where the pressure is 21 times what it is at the surface of the lake. Which statement best describes what happens to the volume of that piece of iron?

• A) Its volume increases slightly.
• B) Its volume decreases slightly.
• C) Its volume becomes 1/21 what it was at the surface.
• D) Its volume becomes 21 times greater than at the surface.
• E) There has been no change in the volume of the iron.

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Definitions:

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