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WorksheetsThe Atmosphere and its Importance
Total questions: 10
Worksheet time: 3mins
What is the most important gas in the atmosphere?
Nitrogen
Carbon Dioxide
Oxygen
What is the densest layer of the atmosphere?
Exosphere
Troposphere
Stratosphere
Mesosphere
Thermosphere
Which gas has the highest volume in the atmosphere?
Nitrogen
Oxygen
Carbon Dioxide
Helium
Hydrogen
How high above the Earth's Surface does the troposphere lie?
20-30 km
8-15 km
1-10 km
15-20 km
How is the atmosphere held together above the Earth?
Clouds
Air
Gravity
Inert Gases
At what degrees celsius does the temperature stop falling in the tropopause?
-50 C
-45 C
-53 C
-58 C
-43 C
Where does the ozone layer lie?
Troposphere
Mesosphere
Thermosphere
Stratosphere
In which layer of the atmosphere is the ionosphere?
Exosphere
Thermosphere
Stratosphere
Troposphere
Why is the air pressure of the Mesosphere very low?
Most of the mass is found above this layer.
Most of the mass is found below this layer.
It is very warm.
It has no dust, clouds or water vapour.
Why is the ionosphere important?
It is the biggest layer of the Atmosphere.
It provides warmth to the Earth.
It reflects radio waved back to Earth.
It filters out Greenhouse Gases from the Atmosphere.
