1. What object did Copernicus think was the center of the
universe?
2. Out of what did the solar system form, according to...
ReviewReview
Gravity
Solar system formation
The Solar Nebular
Theory
Layers of the EarthLayers of the Earth
We know that gravity
condensed dust particles, and
other pieces of matter, to form...
Layers of the EarthLayers of the Earth
The Earth is made of
different layers
And it is a dynamic system
Constantly in m...
CrustCrust
Solid, outer layer of the
Earth
“thin” in some places
Under the oceans =
5-10km thick
Inner Earth
CrustCrust
“thick” in other places
Under the continents
= 30-70km thick
8
Crust Mantle Outer Core Inner Core
Crust
0-70 km deep
Mantle
70-2885 km deep
Outer Core
2885-5155 km deep
Inner Core
5155-...
MantleMantle
Layer below the crust
Upper part is solidish
Lower part is like a thick
liquid
Inner Earth
Outer CoreOuter Core
Liquid layer
Molten iron and
nickel
Inner Earth
Inner CoreInner Core
Solid layer
Solid iron and
nickel
Inner Earth
Thickness
Depth
Continent Crust
Ocean Crust
Layers of the Earth
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Layers of the Earth

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Layers of the Earth

  1. 1. 1. What object did Copernicus think was the center of the universe? 2. Out of what did the solar system form, according to the nebular model? 3. Name three types of “rocks” that can be found in space. 4. What lies in the region between the inner planets and the outer planets? 5. What is the name of the largest satellite orbiting the Earth? The Sun A giant cloud of dust and gas Asteroids, meteoroids, comets, satellites, planets The Asteroid belt The Moon
  2. 2. ReviewReview Gravity Solar system formation The Solar Nebular Theory
  3. 3. Layers of the EarthLayers of the Earth We know that gravity condensed dust particles, and other pieces of matter, to form the Earth The Earth is not a solid ball
  4. 4. Layers of the EarthLayers of the Earth The Earth is made of different layers And it is a dynamic system Constantly in motion and constantly changing
  5. 5. CrustCrust Solid, outer layer of the Earth “thin” in some places Under the oceans = 5-10km thick Inner Earth
  6. 6. CrustCrust “thick” in other places Under the continents = 30-70km thick 8
  7. 7. Crust Mantle Outer Core Inner Core Crust 0-70 km deep Mantle 70-2885 km deep Outer Core 2885-5155 km deep Inner Core 5155-6371 km deep
  8. 8. MantleMantle Layer below the crust Upper part is solidish Lower part is like a thick liquid Inner Earth
  9. 9. Outer CoreOuter Core Liquid layer Molten iron and nickel Inner Earth
  10. 10. Inner CoreInner Core Solid layer Solid iron and nickel Inner Earth
  11. 11. Thickness Depth Continent Crust Ocean Crust

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