ACTIVITY 2- MULTIPLE CHOICE
Directions: Read each item carefully. Write the letter of your answer on the space provided before the number,
1. Jane can still pump air in the party balloon even though it is already inflated. What explains this
phenomenon?
A. Balloons look better if their size is bigger.
B. Balloons are made up of plastic.
C. The air inside the balloon is hot.
D. Air molecules can be compressed.
2. What is most likely to happen when an aerosol can is heated?
A. The can will be deformed
B. The can will stay the same
C. The can will stay the same
D. The can will tarnish.
3. Which of the following samples is highly compressible at high pressure and expandable at high
temperature?
A. Oxygen gas
B. Aluminum sheet
C. Water
D. Ice
4. Records show that the incidence of tire explosion is high during the summer season. Which of the
following gives the best explanation for this observation?
A. There are more travelers during summer vacation.
B. High temperature during the summer season causes the air inside the tire to expand.
C. Vehicles' tires are not well maintained.
D. There is too much air inside the tires.
5. The temperature of nitrogen gas in a not rigid vessel is reduced from 100°C to 5.0°C? Which of the
following describes the resulting behavior of nitrogen gas molecules?

1. The average kinetic energy suddenly increases; thus, the pressure increases.
The average kinetic energy suddenly decreases; thus, the pressure decreases.
The volume occupied by the gas molecules suddenly increases; thus, the container expands.
IV. The volume occupied by the gas molecules suddenly decreases, thus the container shrink.
A. I and
B. I and IV
C. I and IV
D. Il and il​