How can Environments Change

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How can Environments Change?

• By Christina Johnson
• Second Grade
• 3/13/03

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How can Environments Change?

• Lets Explore three ways

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Environments can change in at least three ways.

• Floods
• Earthquake
• Volcano

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The first way we will discuss isFloods
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Floods

• Excessive amounts of rain that accumulate on
  earth and change the surface, and change things
  on the surface of the earth.

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How do floods affect the earth?

• Floods change the surface of the earth by
  preventing certain plants from growing and
  helping others to grow better.

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How do floods affect the animals?

• Floods can kill the grass that some animals eat.

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How do floods affect people?

• Floods can affect peoples homes.
• It can prevent them from being able to leave
  their town by closing roads.

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The second way we will discuss isEarthquakes
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Earthquake

• An earthquake can change the environment quickly,
  when an earthquake happens the earth shakes back
  and forth.

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How do earthquakes affect the earth?

• When an earthquake happens, the earth shakes back
  and forth and it can put cracks in the earths
  surface.
• Under the earth, there are very large pieces of
  rock called plates, that shift around. When two
  of them hit each other it causes an earthquake.

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How do earthquakes affect the animals?

• An earthquake could affect the animals by moving
  the ground and changing its shape in the places
  they live.

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How do earthquakes affect people?

• Earthquakes can affect people by changing the
  surface of the land that they live on.
• It could also change the way their city or town
  looks.

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The Third way we will discuss isVolcanoes
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Volcanoes

• When a volcano erupts, hot lava is pushed out.
• Lava, is melted rock from under the earths
  surface.

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How do volcano's affect the earth?

• Volcanos can cover the earth with lava that
  hardens and becomes rock.
• The plants, land and soil are covered and gone
  completely.

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How do Volcanos affect the animals?

• Volcanoes send hot, melted rock out from a
  mountain and cover the surrounding areas. This
  could cover the fields or forests where they
  live, or kill the animals.

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How do Volcanoes affect people?

• A volcano fills the air with smoke that is
  harmful to breathe for both people and animals

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There are many ways the environment can change,
and we know about three.
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THE END!
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• All pictures and graphics found in Power Point
  Clip Art files.