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AIM: Intro To the Earth

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AIM: Intro To the Earth Do Now In your note book tell me why the Earth is a special planet. What features are here that are found no where else? – PowerPoint PPT presentation

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Title: AIM: Intro To the Earth


1
AIM Intro To the Earth
Do Now In your note book tell me why the Earth
is a special planet. What features are here
that are found no where else?
2
I. The Earth
  • The Earths shape is an oblate spheroid
    slightly flattened at the poles and slightly
    bulging at the equator.
  • The Earth has a curved surface.

The best representation Of a true scale model Of
the Earth is a Ping-Pong Ball.
3
Since Earth is slightly flatter at the poles, you
are closer to the center of Earth at that
location.
Since Earth is slightly bulging at the equator,
you are farther from the center of Earth at that
location.
Weigh more
Weigh less (.3 less)
What does that mean for your weight at these
locations?
4
II. Spheres of the Earth
  • Hydrosphere -
  • all of the water.
  • 2. Atmosphere
  • a life-sustaining,
  • thin, gaseous envelope.

5
  • 3. Lithosphere Layer of bedrock near the
    Earths surface.
  • 4. Biosphere includes all life on Earth.

6
III. Layers of the Earth DENSITY!!!
Why do materials set up in layers?
  • More dense materials sink to Earths center and
    less dense materials floated to the surface.
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