III. Choose the letter of the correct answer.
11. Which of the following is an example of a solid turning into another state of matter?
a. water freezing
C. snow becoming a puddle
b. tearing a piece of paper
d. breaking a chair into pieces
12. What happens to water when it boils?
a. It is changed into a solid.
c. It is changed into a gas.
b. It is changed into a liquid. d. It does not change at all.
13. Which of the following processes requires thermal energy?
a. condensation
c. evaporation
b. cooking
d. freezing
14. Gallium is a metal that will melt when exposed to the heat of your hand. Which phase change
does Gallium undergoes?
a. gas to a solid
C. solid to a gas
b. liquid to a gas
d. solid to a liquid
15. Condensation is a process where gas is changed into a liquid. Which of the following is NOT an
example of condensation?
a. Smoke from boiling water
b. Fog along the highway leading to Baguio
c. Water that collects outside the glass of cold drink.
d. Ground-level fog that can be seen on some cold days.
GR​