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Ninth Grade (Grade 9) Oceanography and Hydrology Questions

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Grade 9 Oceanography and Hydrology
This is the zone on the ocean floor; no sunlight reaches there.
  1. photic zone
  2. aphotic zone
  3. benthic zone
  4. coastal zone
Grade 9 Oceanography and Hydrology
Which of these is NOT evidence for seafloor spreading?
  1. magnetic evidence from trapped iron
  2. ocean floor age
  3. rock shapes
  4. water temperature
Grade 9 Oceanography and Hydrology
Water in an artesian well
  1. dries up after a short amount of time.
  2. rises on its own under pressure.
  3. has been contaminated by salt water.
  4. is heated by cooling igneous rock.
Grade 9 Oceanography and Hydrology
Which of the following rocks would form the best aquifer?
  1. granite with low porosity and low permeability
  2. shale with high porosity and low permeability
  3. basalt with low porosity and low permeability
  4. sandstone with high porosity and high permeability
Grade 9 Oceanography and Hydrology
Where is ground water located?
  1. zone of aeration
  2. zone of reduction
  3. zone of saturation
  4. zone of distribution
Grade 9 Oceanography and Hydrology
Which factor is most important in determining the erosive power of a stream?
  1. stream discharge
  2. dissolved load
  3. stream velocity
  4. channel width
Grade 9 Oceanography and Hydrology
What are the abyssal plains?
  1. the bottom of the ocean where little light penetrates allowing for very little life
  2. the large flat region of the open ocean floor
  3. a section of the ocean floor that rises to connect open ocean floor to continental shelf
  4. a steep incline leading down from the edge of the continental shelf
Grade 9 Oceanography and Hydrology
When do streams and rivers deposit sediment?
  1. when their velocity decreases
  2. when they are in the midst of flooding
  3. when their velocity increases
  4. when they plunge over waterfalls
Grade 9 Oceanography and Hydrology
Most of Earth's freshwater is
  1. frozen.
  2. liquid.
  3. underground.
Grade 9 Oceanography and Hydrology
This term means water that is constantly moving.
  1. lentic
  2. limnetic
  3. turbidity
  4. lotic
Grade 9 Oceanography and Hydrology
The slope of a stream is called its
  1. discharge.
  2. capacity.
  3. velocity.
  4. gradient.
Grade 9 Oceanography and Hydrology
Which process is seafloor spreading most closely associated with?
  1. erosion
  2. volcanism
  3. subduction
  4. metamorphism
Grade 9 Oceanography and Hydrology
Wetlands are important for which of the following reasons?
  1. filters water for the ground
  2. provides nurseries for fish, crab and shellfish
  3. provide nurturing wildlife habitat
  4. acts as a buffering zone for flooding
  5. prevents or controls erosion
  6. promotes recreation and nature sports
  7. all of the above
Grade 9 Oceanography and Hydrology
Rain, sleet, hail, and snow are all parts of the                 process in the water cycle.
  1. transpiration
  2. evaporation
  3. precipitation
  4. condensation
Grade 9 Oceanography and Hydrology
Two ground features formed by hot groundwater are
  1. natural springs and artesian wells.
  2. wells and geysers.
  3. geysers and hot springs.
Grade 9 Oceanography and Hydrology
What is a spring tide?
  1. a tide with the greatest difference between high and low tide when the Sun and Moon are aligned in a line with Earth
  2. a tide with the least difference between low and high tide that occurs when the Sun and Moon pull at right angles to each other
  3. a current created near the shore do to convection causes nutrients from the bottom of the ocean to surface providing nourishment for many kinds of ocean life
  4. the effect of Earth's rotation on the direction of winds and currents
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