A wood block is placed on top of the ice in a large bowl half full of ice. The bowl is then filled to the brim with water, with the wood block riding on top of the ice. As the ice melts,
A) the density of the water decreases.
B) the water level falls below the rim.
C) the water level rises and water spills out of the bowl.
D) the water level does not change.
E) the wood block descends, causing water to spill out of the bowl.

Question

Quizplus · Accepted Answer

When ice melts, it turns into water which occupies the same volume. Therefore, the total volume of the ice and water remain the same. Since the wood block is placed on top of the ice and not submerged, it does not displace any water. Hence, the water level does not change.

A Wood Block Is Placed on Top of the Ice