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Soils

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    Soils
  •   Study   Slideshow
  • Name the five ingredients of soil
    Mineral Matter, Air, Water, Humus, Living organisms
  •  20
  • What percentage of a typical soil sample is water?
    25%
  •  5
  • What is humus
    A dark, jelly like substance that forms when plants and animals decay and rot.
  •  10
  • Explain the term leaching
    When rain falls, water passes through the soil, washing minerals, humus and nutrients from the A horizion down into the B horizion.
  •  10
  • Name the 3 horizons.
    A, B & C
  •  5
  • What is the most common soil in Ireland
    Brown Earth soils
  •  10
  • Name the 4 types of soils
    Podzol, Gley, Peaty & Brown earth
  •  20
  • Where in Ireland could you expect to find peaty soils?
    Boggy areas.
  •  10
  • Which soil is most suitable for pastoral farming?
    Gley soils
  •  10
  • Explain the term "Natural vegetation"
    Vegetation that grow on their own without any form of human interference.
  •  10
  • Name the 3 ways soil influences vegetation
    Depth, Acidity & Drainage
  •  15
  • What is the name of the plant that only grows in acidic soil
    Rhododendrons
  •  25
  • Name the 3 ways vegetation influences soil
    Plant litter, Soil erosion & Leaching
  •  15
  • The ____ help create the materials needed to form soil and the _____ affect how soil is formed.
    Processes & factors
  •  10
  • Wind does not play any role in weathering; it only moves materials after weathering has occurred. True or false
    False
  •  5
  • What are the two types of bogs?
    Raised and blanket bogs
  •  10