Its color changed. Its mass increased. Its volume stayed the same. Its temperature quickly increased.
I gave my students this multiple choice question: Liquid cooking oil was poured into a container. Which statement best describes a property of the cooking oil after it was poured into the container?

Only one answer is correct among these 4 choices:
- Its color changed.
- Its mass increased.
- Its volume stayed the same.
- Its temperature quickly increased.

Could you tell me which one is correct?

Its volume stayed the same.