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Weathering and Erosion

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  • The dropping of sediments and rocks in a new location is...
    Deposition
  • What causes depositions to have a layered look?
    Sediments settle according to their weight. The heaviest drops first and the lightest drops last, forming layers
  • The process of breaking down rocks is called...
    Erosion
  • The layers of soil are....
    Horizons
  • The process of wind piking up loose sediment and carrying it away is...
    Deflation
  • The largest kind of particle in soil is...
    Sand
  • What is a fertile soil that has equal parts of sand and silt combined with about half as much clay called?
    Loam
  • The process of rock changing from one type to another is called...
    Rock Cycle
  • Mechanical or Chemical Weathering? Lichens
    Chemical
  • Mechanical or Chemical Weathering? Abrasion
    Mecahnical
  • An area of sediment deposited in the mouth of a river is...
    Delta
  • Mechanical or Chemical Weathering? Oxidation
    Chemical
  • The amount of each kind of particle in a soil sample is...
    Texture
  • Mechanical or Chemical Weathering? Exfoliation
    Mechanical
  • The sediment that a stream carries is...
    Load
  • What forms when unmelted snow gets compacted down into ice?
    A glacier
  • What changes rocks into new substances?
    Chemical Weathering
  • What is the primary force behind erosion?
    Gravity
  • What is the difference between weathering and erosion?
    Weathering is the breaking down of rocks. Erosion is the moving of weathered material from one place to another
  • Mechanical or Chemical Weathering? Carbonic Acid
    Chemical
  • Mechanical or Chemical Weathering? Acid rain
    Chemical
  • Mechanical or Chemical Weathering? Pressure Release
    Mechanical
  • A pile of rocks and soil deposited by a glacier is...
    Moraine
  • What contains weathered minerals and some nutrients from the humus?
    Subsoil
  • Small particles of weathered rocks and minerals are..
    Sediments
  • What is an example of erosion caused by gravity, rockslide or deflation?
    Rockslide
  • Decayed organic material found in soil is...
    Humus
  • What unweathered rock that influences the soil above it?
    Bedrock
  • What occurs whenever rocks rub against each other?
    Abrasion
  • Mechanical or Chemical Weathering? Frost Heaving
    Mechanical
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