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28 questions
How many layers is the atmosphere divided into?
three
four
five
Most of the atmosphere is composed of this gas
nitrogen
oxygen
carbon dioxide
The stratosphere is located between
thermosphere and mesosphere
core and mantle
troposphere and mesosphere
exosphere and mesosphere
your head and Uranus
This gas makes up 21% of the atmosphere:
nitrogen
oxygen
argon
The horizontal movement of air is called_____________:
ozone
wind
current
What protects Earth from ultraviolet rays from the sun?
ozone layer
mesosphere
air pressure
troposphere
Which layer comes after the Mesosphere?
stratosphere
exosphere
thermosphere
ionosphere
What gas makes up the majority of the atmosphere?
oxygen
nitrogen
water vapor
carbon dioxide
Which layer of the atmosphere is closest to outer space?
mesosphere
exosphere
troposphere
stratosphere
Heated air moves in which direction?
up
down
right
left
Which gas is the primary (most abundant) gas in Earth"s atmosphere?
Oxygen
Argon
Nitrogen
Carbon Dioxide
The atmosphere is.....
an area of high gravitational pull.
a mix of gases, liquids and solid particles.
only 10 kilometers deep.
primarily composed of oxygen.
Ozone is composed of .....
two atoms of oxygen.
three atoms of oxygen.
nitrous oxide.
methane and carbon dioxide.
How do scientists determine where one layer of the atmosphere ends and the next begins?
Changes in temperature.
Changes in atmospheric pressure.
Changes in air density.
Changes in concentration of oxygen and nitrogen.
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