The water gained energy. The water absorbed light. Mass was released from the water. Heat was taken away from the water.
I gave my students this multiple choice question: Delilah put a container of water in the freezer and left it there overnight. The next morning she saw that the water in the container had changed to ice. Which of the following statements best explains why the water changed to ice?

Only one answer is correct among these 4 choices:
- The water gained energy.
- The water absorbed light.
- Mass was released from the water.
- Heat was taken away from the water.

Could you tell me which one is correct?

Heat was taken away from the water.