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A World of Change

  • Game Code: 1522916
  •  English    20     Public
    The Earth's surface is always changing. Let's review what we learned!
  •   Study   Slideshow
  • Name two types of changes on the Earth.
    Slow and Steady/Fast and Powerful
  •  25
  • Rain, snow, sun, and wind break down rocks.
    Weathering
  •  15
  • What happens to the soil when weathering occurs?
    The rocks break into smaller pieces and become soil.
  •  15
  • Wind and water carries dirt or rocks from one place to another.
    Deposition
  •  15
  • What does deposition change?
    The landscape.
  •  15
  • Strong natural forces, such as large rivers, carry dirt and rocks away.
    Erosion
  •  15
  • What can erosion cause?
    An area to get smaller. / Reduces the amount of food people can produce.
  •  15
  • How can you prevent erosion?
    You can plant bushes and trees.
  •  15
  • What happens when you plant trees and bushes?
    The roots grow into the ground and keep the dirt in place.
  •  15
  • True or False: Fast natural changes are more dangerous than slow natural changes?
    True
  •  15
  • Which natural changes are unexpected?
    Fast and Powerful natural changes.
  •  15
  • What is this called?
    Volcanic Eruption
  •  15
  • Why does this happen?
    The pressure builds up under the Earth's surface.
  •  25
  • What do you call the hot melted rock from a volcano?
    Magma
  •  15
  • For who can a volcano eruption be dangerous?
    People who live near the volcano.
  •  15
  • What is another example of a fast natural change? (no volcanoes)
    A landslide
  •  15
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