Study

Weathering

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  • How many layers of the soil are there?
    4
  • Silt is the largest particle of soil. True or False?
    false
  • What happens when water freezes?
    It expands.
  • What 2 animals can cause biological weathering?
    worms and rabbits
  • Humus has nutrients that help plants grow. True or False?
    true
  • How may types of weathering have we studied?
    3
  • Humus is decayed plants and animals. True or False?
    true
  • How do roots cause weathering?
    They can break the rocks apart.
  • The Grand Canyon was formed by weathering. True or false?
    true
  • When water freezes in between cracks in rocks, what can it do to the rock?
    It can break it into smaller pieces.
  • Acid rain is good for rocks. True or false
    false
  • What kind of weathering dissolves the minerals in a rock?
    Chemical
  • What are the 3 types of weathering?
    physical, chemical, biological
  • Clay particles are invisible to the naked eye.
    true
  • Soil is made up of huge particles of rock and parts of plants. True or false?
    false
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