End Of Coastal 8th Grade Quiz

97 Questions | Total Attempts: 75

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End Of Coastal 8th Grade Quiz - Quiz

Are you ready for this "End of coastal 8th grade quiz? " A coastal area is a part where the land meets the ocean. The quiz here deals with the end of the coastal area, and the questions here are about coastal areas and beaches. We will be testing how well you understand this part and whether you can answer these questions or not. So, do you think you are up to this challenge? If yes, then try your best and score the best.


Questions and Answers
  • 1. 
    Substrate is:
    • A. 

      Bottom material ocean organisms live in or on.

    • B. 

      Bottom material found in the ocean.

    • C. 

      Bottom material organisms live in or on.

    • D. 

      Subtidal nutrients

  • 2. 
    Match the location where the intertidal zone is found.
    • A. 

      Between the high and low tide lines

    • B. 

      Above the high tide line

    • C. 

      Below the high tide line

    • D. 

      Between the sand bar and the berm

    • E. 

      Between the swash zone (shoreface where waves break) and the dune

  • 3. 
    Match the location where the subtidal zone is found.
    • A. 

      Between the high and low tide lines

    • B. 

      Above the high tide line

    • C. 

      Below the water line

    • D. 

      Between the sand bar and the berm

    • E. 

      Between the swash zone (shoreface where waves break) and the dune

  • 4. 
    The kind of sediment deposited in shoreline habitats depends on:
    • A. 

      Estuary deposits

    • B. 

      Tidal amplitude

    • C. 

      Water turbulence

    • D. 

      Coastal plain migration

  • 5. 
    What is a berm and where is it found?
    • A. 

      The back dune end of the supratidal zone

    • B. 

      The movement of sand offshore during a storm

    • C. 

      The supratidal ledge of sand at the high tide line

    • D. 

      The edge of the swash (shoreface where waves break) zone

  • 6. 
    What is the average salinity of the ocean?
    • A. 

      35 ppt

    • B. 

      55 ppt

    • C. 

      15 ppt

    • D. 

      25 ppt

  • 7. 
    What kind of sediment settle in the sound?
    • A. 

      Fine silt

    • B. 

      Loam

    • C. 

      Coarse sand

    • D. 

      Clay

  • 8. 
    What kind of sediments settle on the ocean beach?
    • A. 

      Silt

    • B. 

      Gravel

    • C. 

      Coarse sand

    • D. 

      Clay

  • 9. 
    Trees and shrubs on the back rows of dunes moderate the effects of:
    • A. 

      Wind and sun

    • B. 

      Ocean forces

    • C. 

      Salt spray

    • D. 

      Wind and water

  • 10. 
    Identify adaptations dune plants have to protect them from the intense heat and light of the sun.
    • A. 

      Dune plants: some have thick, waxy leaves, some that close curl inward and turn in a vertical position to reduce sun expose.

    • B. 

      Dune plants: can tolerate changes in salinity and can withstand different levels of salinity.

    • C. 

      Dune plants: are made up of brown and red marine leaft grasses that tolerate water, wind, and salt.

    • D. 

      Dune plants: are evergreen plants with thin, needle like leaves that can tolerate wind, water and salt.

  • 11. 
    Nitrogen is scarce on the dunes because:
    • A. 

      There is little or no decaying plant and animal material to enrich the dunes.

    • B. 

      There is too much Oxygen.

    • C. 

      There is too much Hydrogen and Oxygen.

    • D. 

      The organisms in a dune habitat consume more Nitrogen then they produce.

  • 12. 
    What provides the main source of nutrients on frontal dunes?
    • A. 

      Salt spray

    • B. 

      Oxygen

    • C. 

      Plant nitrogen

    • D. 

      Water (Hydrogen + Oxygen)

  • 13. 
    Why are dunes made of finer sand than the beaches?
    • A. 

      Waves deposit the fine sand on to the dune.

    • B. 

      Saltation carries only the finest of beach sand.

    • C. 

      Saltation mixes salt with sand making it more fine.

    • D. 

      Fine sand is more porous

  • 14. 
    Why do marshes have that characteristically rotten egg odor?
    • A. 

      Decomposition uses much oxygen while releasing hydrogen sulfide. The reduced oxygen level combined with the release of hydrogen sulfide gives the marsh a rotten egg odor.

    • B. 

      Decomposition uses much carbon dioxide while releasing hydrogen sulfide. The reduced carbon dioxide level combined with the release of hydrogen sulfide gives the marsh a rotten egg odor.

    • C. 

      Decomposition uses much hydrogen while releasing carbon dioxide. The reduced hydrogen level combined with the release of carbon dioxide gives the marsh a rotten egg odor.

    • D. 

      Decomposition uses much hydrogen while releasing sulfur. The reduced hydrogen level combined with the release of sulfur gives the marsh a rotten egg odor.

  • 15. 
    Which statement describes what this diagram shows is happening with barrier island migration from images A-1 through A-3 ?
    • A. 

      The diagram shows how sea level rise causes barrier islands to migration upslope toward the mainland on the continental shelf.

    • B. 

      The diagram shows the formation of a barrier island on the continental slope.

    • C. 

      The diagram rising sea level erosion of a barrier islands on the continental slope.

    • D. 

      The diagram shows the migration of a barrier island.

  • 16. 
    Identify the event shown in the image.
    • A. 

      Birth of an inlet

    • B. 

      Nor'easter wind tide

    • C. 

      Formation of a tidal delta

    • D. 

      Spring tide

  • 17. 
    How deep/thick are Barrier Islands?
    • A. 

      30 - 60 feet

    • B. 

      10 - 20 feet

    • C. 

      20 - 40 feet

    • D. 

      40 - 70 feet

  • 18. 
    What does this arrow identify?
    • A. 

      Longshore current.

    • B. 

      Tidal current.

    • C. 

      Ebb tidal delta.

    • D. 

      Flood tidal delta.

    • E. 

      Littoral current.

  • 19. 
    Choose the complete answer to this statement.  Geologists like Dr. Pilkey define a beach as:
    • A. 

      A beach is an area of shoreline affected by winds or water.

    • B. 

      A beach is an area of shoreline affected by ordinary waves that include the nearshore sand bar and berm.

    • C. 

      A beach is an area of the shoreline that includes the berm and is affected by ordinary waves.

    • D. 

      A beach is only the large area near the berm of the shoreline affected by ordinary waves.

  • 20. 
    IDENTIFY: The two major currents that affect North Carolina's climate.
    • A. 

      Laborador/Virginia and the Gulf Stream currents

    • B. 

      Gulf of Mexico and Laborador/Virginia currents

    • C. 

      Canadian and Gulf of Mexico currents

    • D. 

      Coast of Greenland and Gulf Stream currents

    • E. 

      Between the swash zone (shoreface where waves break) and the dune

  • 21. 
    What causes shoreline habitats to have extremes in water temperature?
    • A. 

      Waves and wind

    • B. 

      Currents and tides

    • C. 

      Distance from shore and waves

    • D. 

      Currents and gravitational pull of the moon

  • 22. 
    Choose the best definition of a barrier island.
    • A. 

      A Barrier Island is a long, narrow body of sand separated from the mainland by a sound and from other islands by inlets at both ends.

    • B. 

      A Barrier Island is a short, wide body of sand separated from the mainland by a sound and from other islands by inlets at both ends.

    • C. 

      A Barrier Island is a long, narrow body of sand separated from other islands by a sound.

    • D. 

      A Barrier Island is a body of sand separated from the mainland by an inlet.

  • 23. 
    Why are estuaries considered brackish?
    • A. 

      Estuary waters are a mixture of tidewater and longshore current.

    • B. 

      Estuary waters are a mixture of groundwater and ocean water.

    • C. 

      Estuary waters are a mixture of groundwater and littoral drift.

    • D. 

      Estuary waters are a mixture of fresh and salt water.

  • 24. 
    Coastal Habitats: What are the three basic components of a food web?
    • A. 

      Three basic components of a food web are producers, consumers and decomposers.

    • B. 

      Three basic components of a food web are producers, consumers, scavengers and decomposers.

    • C. 

      Three basic components of a food web are producers, bacteria and fungi.

    • D. 

      Three basic components of a food web are autotrophs, heterotrophs and heliotrophs.

  • 25. 
    Coastal Habitats: What is the difference between scavengers and decomposers?
    • A. 

      When an organism dies, scavengers consume much of the organic debris, particularly animal debris. Decomposers are bacteria and fungi that complete the final step in the food web.

    • B. 

      When an organism dies, decomposers scavenge the remains, there is no difference between decomposers and scavengers.

    • C. 

      When an organism dies scavengers consisting of bacteria and fungi complete the process in the food web.

    • D. 

      Both are detrital. When an organism dies uneaten debris is broken down by wave action, wind, heat, forming detritus

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