Hydrology

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Hydrology

• CRCT Practice

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• 1. Your community is planning to build a new
  sanitary landfill. In choosing a location for the
  landfill, the most important environmental
  consideration should be
• A. the cost of the land.
• B. the location of the groundwater.
• C. proximity to an industrial park.
• D. accessibility to a major highway

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• 2. Which are the two most abundant elements
  dissolved in seawater?
• A. Ca and Cl
• B. Na and Mg
• C. Na and Cl
• D. Mg and Ca

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• 3. Most of the organisms in the oceans exist in
  the shallow waters over the continental shelves.
  Why is this true?
• Producers, the beginning of all food chains, can
  only exist where there is sunlight.
• B. Sea predators can easily catch their prey
  where the water is shallow.
• Water over the continental shelves has more
  minerals than deep ocean water.
• Ocean storms destroy organisms living in deep
  water.

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• 4. The section of a continent that lies just off
  the shoreline and extends beneath the ocean is
  called the continental
• A. plain.
• B. shelf.
• C. basin.
• D. ridge.

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• 5. Which best represents the order of seafloor
  features as you move from the shoreline to the
  deep ocean?
• A. continental slope, continental shelf,
  continental rise, mid-ocean ridge
• B. continental rise, continental shelf, mid-ocean
  ridge, continental slope
• C. continental shelf, continental slope,
  continental rise, mid-ocean ridge
• D. mid-ocean ridge, continental rise, continental
  shelf, continental slope

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• 6. Student notices that the river running through
  a park is more shallow than it was the previous
  week. She states that this change must be due to
  a lack of rain. This statement is best described
  as
• A. a hypothesis that can be investigated.
• B. an observation based on theory.
• C. a conclusion based on scientific evidence.
• D. a theory based on experimentation.

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• 7. class estimates that the wavelength of some
  waves is 520 centimeters. How many meters is the
  wavelength?
• A. 0.52
• B. 5.2
• C. 52
• D. 5,200

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• 8.  The map shows ocean currents in the northern
  Atlantic Ocean. Which location most likely has
  the warmest climate?
• location A
• location B
• location C
• location D
•  

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• 9. If you could look at the deep ocean floor,
  which is the best description of what you would
  see?
• A. high mountains and deep valleys
• B. flat, silt-covered, lifeless regions
• C. coral reefs with many varieties of life
• D. ocean ridges with active volcanoes

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• 10. There are three major zones in the ocean the
  surface, the middle, and the ocean floor. Which
  form of ocean life lives mainly in the middle
  zone?
• A. plankton
• B. coral
• C. nekton
• D. benthos

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• 11. Which processes are responsible for the
  distribution of freshwater to inland locations on
  the continents?
• A. rotation and revolution
• B. tides and ocean currents
• C. solar storms and magnetism
• D. moving air masses and gravity

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• 12. Which ocean current moves perpendicular to
  the shore and sometimes carries swimmers out to
  sea?
• A. rip current
• B. swelling
• C. surface current
• D. longshore current

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• 13. Which of these is the most important function
  of the ocean?
• A. giving off water vapor into the atmosphere
• B. supplying people with chemicals
• C. warming up large nearby landmasses
• D. generating electricity

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• 14. Which natural force creates surface ocean
  currents?
• A. gravity
• B. sunlight
• C. earthquakes
• D. wind

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• 15. The salts in the sea come from
• A. weathering and erosion of rocks.
• B. acid rain.
• C. particles falling from space.
• D. organisms that live in the sea.