Click to Return to Earth Science main page


Earth's Atmosphere

For each question below, click on the circle next to the correct answer. When you are finished with the test, push the 'Score my test' button at the bottom of the page. Good luck!


Question #1
Ozone is a type of

A. nitrogen
B. oxygen
C. carbon dioxide
D. water vapor


Question #2
The most abundant element in the earth's atmosphere is

A. oxygen
B. argon
C. hydrogen
D. nitrogen


Question #3
The layer of the atmosphere in which weather change occurs is the

A. mesosphere
B. troposphere
C. thermosphere
D. stratosphere


Question #4
In which layer of the earth's atmosphere is most ozone found?

A. troposphere
B. thermosphere
C. stratosphere
D. mesosphere


Question #5
What type of radiation is trapped on the earth's surface by the greenhouse effect?

A. ultraviolet rays
B. X rays
C. gamma rays
D. infrared rays


Question #6
The vertical movement of air due to the uneven heating is called

A. convection
B. reflection
C. conduction
D. refraction


Question #7
In the Northern Hemisphere, the general direction of the flow of the jet stream is toward the

A. north
B. south
C. east
D. west


Question #8
The transfer of heat that takes place when fluids (gases and liquids) are unevenly heated is called

A. reflection
B. conduction
C. radiation
D. convection


Question #9
Which of the following adds oxygen to the atmosphere?

A. forest fires
B. photosynthesis
C. weathering of rocks
D. life processes of animals


Question #10
The global wind system which most influences the weather in St. James is the

A. polar easterlies
B. westerlies
C. trade winds
D. doldrums



This test was made with free online software from Merex Corporation.