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Soil

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  • It is the layer where worms make their homes.
    topsoil
  • What is soil made up of?
    tiny bits of rock
  • This can happen as _____ from a stream or ocean hit rock or strong winds blow on them.
    waves
  • What will happen to rock when the plants grow?
    The roots can spilt the rock.
  • What happens if the rock on top shift or scrape against the rock on the bottom?
    it breaks the rock, crack the rock
  • What are the 4 main layers of the soil?
    topsoil,subsoil,bits of rock,bedrock
  • Only big roots and strong plants can reach this layer.
    subsoil
  • This is the hardest layer. It supports all layers above it.
    bedrock
  • When rocks are broken into small pieces we call it ________.
    weathering
  • What will happen to the water in the rock when its winter?
    it freezes
  • How many are the soil layers?
    4
  • This is the layer of weathered rock.
    bits of rock
  • Rain can get into _____ of rock.
    holes
  • It is an animal that digs in the soil.
    mole
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