The ice changes to a liquid and back to a solid. The ice changes to a liquid then to a gas. The ice changes to a gas and back to a solid. The ice changes to a gas then to a liquid.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: An ice cube is placed in a pan. The pan is placed over an open flame. Which change will most likely happen over time?
Possibilities:
- The ice changes to a liquid and back to a solid.
- The ice changes to a liquid then to a gas.
- The ice changes to a gas and back to a solid.
- The ice changes to a gas then to a liquid.

The ice changes to a liquid then to a gas.