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NCSCOS Grade 8 Science - Topic: 8.E.1 Earth Systems, Structures and Processes

Quiz by NCDPI

Grade 8
Science
North Carolina Standard Course of Study

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8 questions
Show answers
  • Q1
    Which will MOST LIKELY result if there is increased upwelling in a coastal area?
    fewer nitrates
    higher water temperatures
    more aquatic lif
    less nutrients in the water
    60s
    8.E1.2
  • Q2
    Which BEST determines the health of a lake used as a source of freshwater?
    its temperature and pH
    its temperature and depth
    its depth and width
    its location and depth
    60s
    8.E1.3
  • Q3
    Why is water from an aquifer more likely to be cleaner than water from other sources?
    because it rises to the surface near the ocean
    because it forms where fresh and salt water meet
    because pollutants are filtered by rock and soil deep within Earth
    because it receives water directly from precipitation
    60s
    8.E1.1
  • Q4
    In which oceanic zone do clams and crabs survive by burrowing in the sand?
    intertidal
    deep ocean
    open ocean
    oceanic
    60s
    8.E1.2
  • Q5
    If a body of water has high turbidity levels, what can MOST LIKELY be concluded?
    It is too hot to drink.
    It contains a lot of chemicals.
    It is unsafe to drink.
    It has a low pH.
    60s
    8.E1.3
  • Q6
    Which BEST describes the characteristics of a river basin?
    the land drained by a river and its tributaries
    the land formed when rivers create estuaries and marshes
    the land formed as a result of a river flooding
    the land at the mouth of a river where water flows into the ocean
    60s
    8.E1.1
  • Q7
    Which factors can have the GREATEST effect on the health of a river system?
    natural disasters and tidal changes
    type of soil and salinity
    nitrate levels and turbidity
    human consumption and pH
    60s
    8.E1.3
  • Q8
    In the United States, which is responsible for ensuring the safety of the country's drinking water?
    Environmental Protection Agency (EPA)
    Center for Disease Control (CDC)
    Food and Drug Administration (FDA)
    National Oceanic and Atmospheric Administration (NOAA)
    60s
    8.E1.4

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