Inside the Earth

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Inside the Earth
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TOC Earths Layers2/27/12

• Starter
• Calculate the Speed of an object traveling 120
  miles in 3 hours.
• Next, calculate the time it would take the object
  to get 240 miles if it traveled at that same
  speed.
• Show your work!!!!

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Practice

• Record all notes and demo observations in your
  practice section.

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The Earth is broken up into 3 main layers

• Crust - lithosphere asthenosphere
• Mantle upper, middle, lower
• Core inner outer

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The Crust

• Outer layer
• 5-100 km thick
• 2 types of crust
• Oceanic (very dense, made of basalt)
• Continental (less dense, made of granite)

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Oceanic and Continental Crust
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The Mantle

• Middle layer
• Very thick layer

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The Core

• Made mostly of iron
• 1/3 of the earths mass
• Very hot

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Earths Layers

• How are the earths layers similar to an egg?
• Shellcrust
• Egg whitemantle
• Yolkcore

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Earths Layers

• How are the earths layers similar to an orange?
• Peelcrust
• orange slicesmantle
• centercore

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Earths Layers

• How are the earths layers similar to an apple?
• Peelcrust
• Inside of peelmantle
• Apple corecore

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Although the Earth has 3 Main Layers - it can be
further divided into these layers

• Lithosphere
• Asthenosphere
• Upper Mantle
• Middle Mantle
• Lower Mantle
• Outer Core
• Inner Core

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Physical Structure of the Earth(5 Layers)

• Lithosphere- crust and upper most solid mantle
• Asthenosphere- solid rock that flows slowly (like
  hot asphalt)- Convection happens here!
• Mesosphere upper, middle lower mantle
• Outer Core- liquid layer
• Inner Core- solid, very dense

Mantle
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III. Application

• Tape in both the Layers of the Earth Foldable
  and the Layers of the Earth Vocab Foldable

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Connection - Draw the below chart and
complete with detailed answers
Compare and Contrast the Layers of the Earth and Sun Compare and Contrast the Layers of the Earth and Sun Compare and Contrast the Layers of the Earth and Sun Compare and Contrast the Layers of the Earth and Sun
Earth layers Sun Layers Similarities Differences
Crust Photosphere    
Asthenosphere Convective Zone    
Mantle Radiative Zone    
Core Core    
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IV. Exit

• Summarize in 7 sentences what you learned about
  gravity. Explain how the demos demonstrated
  Gravity. Be Descriptive!!!!!