A science teacher lit a candle and described to his students that some of the wax is burning while some of the wax is melting. Student A states that these are both physical changes. Students B states that these are both chemical changes. Which statement BEST describes the students' conclusions?
Student A is correct.
Student B is correct.
Both are incorrect, because burning wax is a chemical change and melting wax is a physical change.
Both are incorrect, because burning wax is a physical change and melting wax is a chemical change.