Multiple Choice:
Directions: Choose the letter of the correct answer. Write the chosen
letter on your answeer sheet.
1. It is a blanket of air that protects the earth from ultraviolet radiation
A. Atmosphere B. Clouds
C. Water vapor
D. Wind
2. Which of the following is NOT a major component of the atmosphere
A. Argon
B. Nitrogen C. Oxygen
D. Ozone
3. What is the ozone layer's function?
A. Keep oxygen in
C. Allow Ultraviolet (UV) rays to go
B. Allow meteors to get to Earth D. Block Ultraviolet (UV) rays from
4. Which phenomenon can be seen only in the ionosphere?
A. Aurora Borealis B. Highlands C. Ozone layer D. W
5. What is the correct sequence of the layers of the atmosphere from the
space?
A Troposphere - Stratosphere - Mesosphere - Thermosphere -
B. Exosphere - Thermosphere - Mesosphere - Stratosphere - Troppo
C. Troposphere - Stratosphere - Thermosphere - Mesosphere -
D. Exosphere - Mesosphere - Thermosphere - Stratosphere - Trepp