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Inside the Earth

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Inside the Earth TOC: Earths Layers 2/27/12 Starter: Calculate the Speed of an object traveling 120 miles in 3 hours. Next, calculate the time it would take the ... – PowerPoint PPT presentation

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Title: Inside the Earth


1
Inside the Earth
2
TOC Earths Layers 2/27/12
  • 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!!!!

3
Practice
  • Record all notes and demo observations in your
    practice section.

4
The Earth is broken up into 3 main layers
  • Crust - lithosphere asthenosphere
  • Mantle upper, middle, lower
  • Core inner outer

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

6
Oceanic and Continental Crust
7
The Mantle
  • Middle layer
  • Very thick layer

8
The Core
  • Made mostly of iron
  • 1/3 of the earths mass
  • Very hot

9
Earths Layers
  • How are the earths layers similar to an egg?
  • Shellcrust
  • Egg whitemantle
  • Yolkcore

10
Earths Layers
  • How are the earths layers similar to an orange?
  • Peelcrust
  • orange slicesmantle
  • centercore

11
Earths Layers
  • How are the earths layers similar to an apple?
  • Peelcrust
  • Inside of peelmantle
  • Apple corecore

12
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

13
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
14
III. Application
  • Tape in both the Layers of the Earth Foldable
    and the Layers of the Earth Vocab Foldable

15
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    
16
IV. Exit
  • Summarize in 7 sentences what you learned about
    gravity. Explain how the demos demonstrated
    Gravity. Be Descriptive!!!!!
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