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Ninth Grade (Grade 9) Oceanography and Hydrology Questions

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Grade 9 Oceanography and Hydrology
The movement of water within the surf zone that parallels that shore is called
  1. tidal current.
  2. density current.
  3. longshore current.
  4. surface current.
Grade 9 Oceanography and Hydrology
An area of land from which precipitation drains into a particular stream, river, or lake is a
  1. watershed.
  2. water table.
  3. watering hole.
Grade 9 Oceanography and Hydrology
When do streams and rivers deposit their sediment?
  1. when the velocity decreases
  2. when they are in the midst of flooding
  3. when the velocity increases
  4. when they plunge over waterfalls
Grade 9 Oceanography and Hydrology
What is a stream's bed load?
  1. material that moves along its bottom
  2. material that is carried in solution
  3. material that floats on its surface
  4. material that is carried in suspension
Grade 9 Oceanography and Hydrology
A natural flow of groundwater that occurs when the side of a steep hill dips below the
water table is
  1. a spring.
  2. a geyser.
  3. a well.
  4. a stream.
Grade 9 Oceanography and Hydrology
Which are examples of ocean features caused by deposition?
  1. spits
  2. barrier islands
  3. gravel bars
  4. all of the above
Grade 9 Oceanography and Hydrology
Where is groundwater primarily located?
  1. zone of aeration
  2. zone of reduction
  3. zone of saturation
  4. zone of distribution
Grade 9 Oceanography and Hydrology
The salinity of the estuary water is                   average ocean water.
  1. higher than
  2. lower than
  3. equal to
  4. none of the above
Grade 9 Oceanography and Hydrology
Tributaries are
  1. large fast flowing streams that form at the mouth of the river.
  2. lakes that are created by a river's meander and bend.
  3. small streams that run into rivers.
Grade 9 Oceanography and Hydrology
What do you call the submerged edge of the continent?
  1. abyssal plain
  2. deep sea trench
  3. continental margin
Grade 9 Oceanography and Hydrology
The pelagic zone is
  1. the bottom of the ocean where little light penetrates therefore there is 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. the open ocean.
Grade 9 Oceanography and Hydrology
This is a partially enclosed body of water where seawater mixes with freshwater.
  1. swamp
  2. source zone
  3. mangrove forest
  4. estuary
Grade 9 Oceanography and Hydrology
A natural flow of water from the ground is a                .
  1. geyser
  2. well
  3. spring
Grade 9 Oceanography and Hydrology
Which term relates to the relative clarity of water or the amount of suspended materials in water?
  1. salinity
  2. turbidity
  3. permeability
  4. conductivity
Grade 9 Oceanography and Hydrology
These lakes have high concentrations of nutrients.
  1. eutrophic
  2. oligotropic
  3. lentic
  4. lotic
Grade 9 Oceanography and Hydrology
What is a disadvantage to living on a flood plain?
  1. Easy transportation
  2. Property damage
  3. Fertile soil
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