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Water Quality

Quiz by Nichole Smith-Frazier

Grade 8
Science
North Carolina Standard Course of Study

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Measures 1 skill from
Grade 8
Science
North Carolina Standard Course of Study

8.E1.3

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7 questions
Show answers
  • Q1
    Which water quality data most likely indicates eutrophication?
    turbidity
    nutrient level
    temperature
    pH level
    30s
    8.E1.3
  • Q2
    What does a pH of 7 most likely indicate about the water quality?
    The water is safe to drink
    The water is toxic.
    The water is a strong base
    The water is highly acidic
    30s
    8.E1.3
  • Q3
    How are indicator species like a warning system for bodies of water?
    Their illness or death indicates pollution in an aquatic ecosystem
    Their illness or death indicates the body of water is becoming more populated.
    They indicate when food sources are declining
    The indicate when predators are reducing the numbers of species
    30s
    8.E1.3
  • Q4
    Which groundwater contaminant contained in fertilizers and pesticides comes from farms?
    mercury
    sodium
    nitrates
    bacteria
    30s
    8.E1.3
  • Q5
    What most directly affects the amount of dissolved oxygen in a body of water?
    salinity
    turbidity
    temperature
    pH
    30s
    8.E1.3
  • Q6
    A recreational lake experiences eutrophication because of excess nutrients. Based on this information, how would the recreational lake most likely appear?
    clear and blue
    murky and full of algae
    orange and rust colored
    oily and greasy
    30s
    8.E1.3
  • Q7
    After analyzing data collected from a pond, there is significant decrease in dissolved oxygen. Which most likely caused the decline?
    an increase in minerals
    an increase in sediment
    an increase in algae growth
    a decrease in fish population
    30s
    8.E1.3

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