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Twelfth Grade (Grade 12) Earth Science Questions

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Grade 12 Tectonics
Surface waves transport energy
  1. by compression and expansion.
  2. by shearing.
  3. in a motion similar to ocean waves.
  4. in a random motion.
Grade 12 Tectonics
Grade 12 Oceanography and Hydrology
Grade 12 Oceanography and Hydrology
Delta is
  1. an accumulation of sediment formed where a stream enters a lake or ocean.
  2. a ridge made up of mostly of coarse sediments that parallels some streams.
  3. part of a stream's load of solid material that is made up of sediments.
Grade 12 Geomorphology
Which one of these is NOT associated with glacial erosion?
  1. glacial striation
  2. ablation
  3. plucking
  4. abrasion
Grade 12 Environmental Science
Grade 12 Tectonics
Primary waves travel
  1. faster than surface waves.
  2. slower than secondary waves.
  3. at the same rate as surface waves.
  4. slower than surface waves.
Grade 12 Oceanography and Hydrology
Grade 12 Minerals
In geology, the term crystal refers to
  1. any clear, sparkly substance.
  2. minerals with a random arrangement of atoms that causes light interference and sparkle.
  3. minerals with an orderly arrangement of atoms with or without sparkle.
  4. clear volcanic glass that is faceted naturally.
Grade 12 Oceanography and Hydrology
Grade 12 Historical Geology
Which of these is NOT a reason many scientists accept we are coming out of an ice age?
  1. there are higher levels of carbon dioxide
  2. there are fewer glaciers
  3. the temperature at the poles is warming
  4. the ocean levels are falling
Grade 12 Oceanography and Hydrology
What type of water has a high concentration of dissolved minerals?
  1. Soft water
  2. Hard water
  3. Hot water
  4. Cold water
Grade 12 Geomorphology
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