1. Which of the following is a major component of the atmosphere?
A. Argon C. Oxygen
B. Nitrogen D. Ozone
2. Why is the atmospheric temperature increasing at the stratosphere?
A. It is closer to the sun.
B. It is under a lot of pressure.
C. It is less dense than the troposphere.
D. It is due to the presence of the ozone layer.
3. You and your friends joined a mountain climbing activity. You have noticed that
as you go higher, you felt that the air is getting colder. What explains this
condition?
A. The temperature increases as the altitude decreases.
B. The temperature increases as the altitude increases.
C. The temperature decreases as the altitude increases.
D. The temperature decreases as the altitude decreases.
4. What is the correct sequence of the layers of the atmosphere from the ground
up to the space?
A. Exosphere – Mesosphere – Thermosphere – Stratosphere – Troposphere
B. Exosphere – Thermosphere – Mesosphere – Stratosphere – Troposphere
C. Troposphere – Stratosphere – Mesosphere – Thermosphere – Exosphere
D. Troposphere – Stratosphere – Thermosphere – Mesosphere – Exosphere
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5. An Ozone (O3) becomes a “bad ozone” when it ___________.
A. becomes unstable C. absorbs Ultraviolet (UV) rays
B. stays at the stratosphere D. moves down to the ground level