4. States of Matter
Phase Changes — Quiz
Test your understanding of phase changes with 5 practice questions.
Practice Questions
Question 1
Which phase change occurs when a liquid turns into a gas at the surface below its boiling point?
Question 2
What is the energy required to change a substance from solid to liquid at constant temperature called?
Question 3
Which of the following best describes what happens to molecular motion during freezing?
Question 4
At which point does the temperature remain constant while a substance is melting?
Question 5
What is the term for the amount of energy needed to convert 1 gram of a liquid into a gas at its boiling point?