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Soil

Quiz by Traci Deal

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20 questions
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  • Q1
    What is the name of a soil that is: 30% Sand 10% Silt 60% Clay
    Question Image
    Sandy loam
    Silt loam
    Clay
    Sand
    60s
  • Q2
    What is the name of a soil that is: 85% Sand 10% Silt 5% Clay
    Question Image
    Loamy sand
    Sand
    Silt loam
    Sandy loam
    60s
  • Q3
    Identify the soil horizon: Consists of topsoil (mostly sand and some clay) rich in humus.
    A Horizon
    B Horizon
    C Horiozon
    O horizon
    30s
  • Q4
    Identify the soil horizon: Deepest layer; consists of broken and solid, unweathered bedrock.
    R Horizon
    B Horizon
    A Horizon
    C Horizon
    30s
  • Q5
    Identify the soil horizon: Subsoil reddish brown in color; made mostly of clay; rich in minerals and nutrients
    C Horizon
    O Horizon
    B Horizon
    A Horizon
    30s
  • Q6
    What is a cross section in which layers (a.k.a. horizons) of soil and bedrock can be seen.
    soil profile
    soil section
    soil picture
    soil model
    30s
  • Q7
    Which of the following best describes soil erosion?
    the breakdown of soil
    the improvement of soil
    the addition of soil
    the movement of soil by wind or water
    30s
  • Q8
    What effect did over plowing and cutting down trees have in the Great Plains during the 1930’s?
    It was a primary cause of the Dust Bowl
    Farmers had a great harvest
    It increased soil fertility
    It had little effect
    30s
  • Q9
    Decayed organic material in soil is called______.
    Humus
    Silt
    Clay
    Litter
    30s
  • Q10
    Topsoil which contains the HUMUS is the soil layer best for growing plants.
    True
    False
    30s
  • Q11
    Soil's one of the Earth’s most valuable resources. Everything on Earth depends on soil somehow.
    True
    False
    30s
  • Q12
    Which of the following is NOT one of the 4 major components of soil?
    Iron
    Organic matter
    Mineral matter
    Water
    30s
  • Q13
    Soils' main component is
    Air
    Minerals
    Water
    Organic matter
    30s
  • Q14
    The 3 categories of soil particles are
    silt, clay, rock
    sand, rock, clay
    clay, sand, silt
    silt, rock, sand
    30s
  • Q15
    Silt particles are larger than clay particles
    True
    False
    30s

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