WorksheetsCh 9 Our Planet-Earth
Total questions: 10
Worksheet time: 8mins
What are the major gases of the atmosphere?
carbon dioxide and water vapor
nitrogen and carbon dioxide
nitrogen and oxygen
oxygen and water vapor
Which reservoir holds the largest amount of freshwater?
groundwater
ice
lakes
rivers
This diagram shows the water cycle. Which number represents precipitation?
1
2
3
4
The diagram below shows the layers of the atmosphere. The arrow is pointing to which layer?
troposphere
mesosphere
stratosphere
exosphere
Rocks are classified according to .......
color
formation
size
structure
Which of Earth's systems includes the crust, the mantle, and the core?
atmosphere
biosphere
geosphere
hydrosphere
Which atmospheric layer includes the ozone layer?
Troposphere
Stratosphere
Mesosphere
Thermosphere
Which process is occurring in the area circled in this figure?
condensation
deposition
precipitation
transpiration
Which process recycles water from the biosphere to the atmosphere?
condensation
deposition
precipitation
transpiration
How much of earth's water is freshwater?
1 percent
3 percent
79 percent
97 percent
