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Ninth Grade (Grade 9) Earth Science Questions

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Grade 9 Geomorphology
Grade 9 Environmental Science
All of the following are ways to fight global warming EXCEPT:
  1. preserve forests
  2. conserve energy
  3. increase use of fossil fuels
  4. develop sustainable energy sources
Grade 9 Environmental Science
The greenhouse effect heats the Earth's surface by
  1. infrared radiation and sunlight
  2. sunlight and volcanic eruptions
  3. mantel convection and infrared radiation
  4. volcanic eruptions and mantle convection
Grade 9 Environmental Science
Grade 9 Earth's Layers
What part of the Earth contains rocks?
  1. Biosphere
  2. Hydrosphere
  3. Atmosphere
  4. Lithosphere
Grade 9 Environmental Science
A scientist uses tree rings to study past climate conditions. She observes a series of rings that are thicker than average.

Which would be the best conclusion for the scientist to draw about the years associated with the thicker tree rings?
  1. The climate was cool and dry during those years.
  2. The climate was cool and wet during those years.
  3. The climate was warm and dry during those years
  4. The climate was warm and wet during those years.
Grade 9 Environmental Science
Global warming threatens which type of habitats?
  1. marine
  2. terrestrial
  3. freshwater
  4. all of the above
Grade 9 Atmosphere
Hurricanes begin as a
  1. tropical depression
  2. tropical disturbance
Grade 9 Atmosphere
Hurricanes are more properly called
  1. tropical disturbances
  2. tropical depressions
  3. tropical cyclones
Grade 9 Environmental Science
Grade 9 Environmental Science
Grade 9 Environmental Science
Which of the following is not a greenhouse gas?
  1. water vapor
  2. carbon dioxide
  3. oxygen
Grade 9 Atmosphere
Grade 9 Historical Geology
The law that states that a rock layer is older than the one above it is called:
  1. Relative dating
  2. Uniformitarianism
  3. Superposition
  4. Cross-cutting relationships
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