Chapter 4: Soil Types

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1) Name the three phases in the study of soil types.

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2) Describe the factors, which affect soil formation.

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3) How does climate affect soil formation?

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4) How is soil formation affected by parent material?

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______5) How does the climate influence parent material weathering and soil

development?

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6) How is the world divided into climatic regions?

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7) “Regional variation in rainfall and evaporation are reflected in soil type

variation” Discuss.

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______8) What is meant by the term topography?

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9) What effect do living organisms have on soil formation?

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10) How does “run off” differ from water percolating through soil?

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11) Define a soil profile.

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______12) Differentiate between physical and chemical weathering.

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13) Differentiate between calcification and acid leaching.

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14) What is gleisation?

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15) How are soils classified?

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______16) Name 4 different soil classifications.

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17) Compare using a labelled diagram two different soil types.

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______18) Differentiate using a diagram between basin and blanket peats.

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19) How are soils surveyed and mapped?

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______20) Describe how you would examine the colour and texture of a soil sample?

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21) Outline how you would examine an excavated soil profile.

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