A Thin Rectangular Piece of Wood Floats in Water

Multiple Choice

A thin rectangular piece of wood floats in water. You slowly pour oil with a density equal to that of the wood on the surface of the water until the height of the oil above the water is twice the height of the piece of wood. Which statement is correct?

A) The wood floats on top of the oil, so it sticks up in the air.
B) The wood does not change its position
C) The wood sinks below the surface of the water.
D) The wood is half in the water and half in the oil.
E) The wood floats in the oil just above the water.