A Journey to the Center of the Earth and back! The Layers of the Earth
If you could burrow to the center of the Earth, what would you expect to happen to the pressure, the temperature, and the ...
What are the 3 main layers of the Earth? <ul><li>Crust </li></ul><ul><li>Mantle </li></ul><ul><li>Core </li></ul>
Let’s break it down! From the inside out…
The Core <ul><li>The Inner Core </li></ul><ul><li>1,228 km in diameter </li></ul><ul><li>Metal (iron) </li></ul><ul><li>HO...
The Mantle <ul><li>Mesosphere </li></ul><ul><li>2,500 km thick </li></ul><ul><li>“ meso-” means? </li></ul><ul><ul><li>Mid...
The Lithosphere <ul><li>Made of: </li></ul><ul><li>Upper Ridge Part of the Mantle  </li></ul><ul><li>and </li></ul><ul><li...
Crust <ul><li>Oceanic Crust – 5 km to 8 km </li></ul><ul><li>Continental Crust – 30 km to 100 km deep </li></ul>
“ Layers of the Earth” handout
Scale of Drawing:  500 km = 1 cm Asthenosphere Mesosphere Mantle Outer Core Inner Core Core Drawing thickness in centimete...
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Earth Layers A Journey To The Center Of The Earth

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Earth Layers A Journey To The Center Of The Earth

  1. 1. A Journey to the Center of the Earth and back! The Layers of the Earth
  2. 2. If you could burrow to the center of the Earth, what would you expect to happen to the pressure, the temperature, and the solidity of the matter?
  3. 3. What are the 3 main layers of the Earth? <ul><li>Crust </li></ul><ul><li>Mantle </li></ul><ul><li>Core </li></ul>
  4. 4. Let’s break it down! From the inside out…
  5. 5. The Core <ul><li>The Inner Core </li></ul><ul><li>1,228 km in diameter </li></ul><ul><li>Metal (iron) </li></ul><ul><li>HOT, HOT, HOT!!!! </li></ul><ul><li>(6,000° C) </li></ul><ul><li>- Very dense sphere (SOLID) </li></ul><ul><li>The Outer Core </li></ul><ul><li>2,200 km thick </li></ul><ul><li>The Outer Core is LIQUID ! </li></ul>The Inner Core at 6,000° C is HOTTER than the surface of the sun at 5,500° C. BUT, the center of the sun is 15 million degrees C.
  6. 6. The Mantle <ul><li>Mesosphere </li></ul><ul><li>2,500 km thick </li></ul><ul><li>“ meso-” means? </li></ul><ul><ul><li>Middle </li></ul></ul><ul><li>Strong, inner part of mantle </li></ul><ul><li>Asthenosphere </li></ul><ul><li>250 km thick </li></ul><ul><li>“ astheno-” means? </li></ul><ul><ul><li>Weak </li></ul></ul><ul><li>Soft layer (putty-like) </li></ul><ul><li>Viscous solid </li></ul><ul><li>EX: butter, clay </li></ul>
  7. 7. The Lithosphere <ul><li>Made of: </li></ul><ul><li>Upper Ridge Part of the Mantle </li></ul><ul><li>and </li></ul><ul><li>Crust </li></ul><ul><li>15 – 300 km thick </li></ul><ul><li>“ litho-” means? </li></ul><ul><li>Rock </li></ul><ul><li>Is divided into pieces called? </li></ul><ul><li>Tectonic Plates </li></ul><ul><li>Plates slide over the Asthenosphere </li></ul>
  8. 8. Crust <ul><li>Oceanic Crust – 5 km to 8 km </li></ul><ul><li>Continental Crust – 30 km to 100 km deep </li></ul>
  9. 9. “ Layers of the Earth” handout
  10. 10. Scale of Drawing: 500 km = 1 cm Asthenosphere Mesosphere Mantle Outer Core Inner Core Core Drawing thickness in centimeters (cm) Thickness in kilometers (km) Round to nearest hundred Layers
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