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A World of Change

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  • Vocabulary: (adj.) not seen or noticed
    Unnoticed
  • Wind and water carries dirt or rocks from one place to another.
    Deposition
  • What happens when you plant trees and bushes?
    The roots grow into the ground and keep the dirt in place.
  • What is another example of a fast natural change? (no volcanoes)
    A landslide
  • How does a landslide happen?
    When heavy rains wash away dirt on a mountain.
  • What are scientists trying to do to help with natural changes?
    They are trying to predict when these changes might happen.
  • What can erosion cause?
    An area to get smaller. / Reduces the amount of food people can produce.
  • What is this called?
    Volcanic Eruption
  • What happens to the soil when weathering occurs?
    The rocks break into smaller pieces and become soil.
  • What does deposition change?
    The landscape.
  • What do you call the hot melted rock from a volcano?
    Magma
  • True or False: Fast natural changes are more dangerous than slow natural changes?
    True
  • For who can a volcano eruption be dangerous?
    People who live near the volcano.
  • Strong natural forces, such as large rivers, carry dirt and rocks away.
    Erosion
  • Why does this happen?
    The pressure builds up under the Earth's surface.
  • Which natural changes are unexpected?
    Fast and Powerful natural changes.
  • Rain, snow, sun, and wind break down rocks.
    Weathering
  • Name two types of changes on the Earth.
    Slow and Steady/Fast and Powerful
  • Vocabulary: (n.) a sudden serious and dangerous event that needs immediate action
    Emergency
  • How can you prevent erosion?
    You can plant bushes and trees.
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