11. Scientists put a sample of water into a sealed tank. Water can be a solid, liquid, or gas. At first, the water was a liquid. Then, the scientists transferred energy out of the substance, and the water changed phase. What happened to the movement of the water molecules?

After the phase change, the water molecules moved . . .

a
faster and started moving away from each other.

b
faster and started moving around each other.

c
slower and started moving in place.

d
slower and started moving around each other.