Download Earth*s Surface Review

Earth’s Surface Review

Drill: Which sphere does a plant belong to; Geosphere, Atmosphere,
Hydrosphere, or Biosphere?
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How does it interact with the other spheres?
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Objective: Students will be able to utilize the lesson outline in order to
prepare for the test.
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HW: Test on Thursday.
Earth’s Sphere

Geosphere: Earth’s entire solid body. It includes rocks and
sediments that cover the core. The largest of the spheres.

Biosphere: All living organisms on Earth. They interact with all other
spheres.

Atmosphere: Outermost system, it is the layer of gasses that
surround Earth.

Hydrosphere: Earth’s waters. It can be on the surface,
underground, or in the atmosphere.
Formation of Earth

Nebular Theory: Theory that the sun and all the planets
were formed from a swirling mass of gas and dust.

Gravity pulled materials in all directions to make Earth
spherical.
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Densest materials pulled to the center.

Earth is not a perfect sphere but slightly flattened.
Layers of Earth
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Crust: Brittle rocky outer layer.
Thinnest of all layers

Mantle: Thick middle layer of the
earth. Consists of upper and lower
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Outer Core: Liquid center portion
of Earth. Made of iron and nickel.

Inner Core: Inner most portion of
core. Made of solid iron and
nickel.

Lithosphere: Crust and the upper
most mantle which consists of
heated brittle rock.

Asthenosphere: Below the
lithosphere, it is the liquid portion of
the mantle where tiny rocks melt.

Magnetic field: Created by the
rubbing of the inner and outer due
to their different rates of spin.
Landforms: Topographical features
formed by processes that shape Earth.

Plains: Low elevation and low relief (difference in
height).

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Plateaus: High elevation and low relief.


Coastal and Interior
Appalachians and Rocky Mountains.
Mountains: High elevation and high relief.

Piedmont, Appalachian, Ozark, Colorado, and Columbia
Plateau