Differentiated Earth

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Differentiated Earth

• Homework and Review Questions

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Q1

• What element/s do you think would be found in the
  inner part of the Earth?

3
Q2

• The crust is the outer layer of the Earth. What
  would the density of the crustal minerals be like
  compared to the minerals making up the inner
  Earth layers?

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Q3

• What information would be needed to calculate the
  density of the entire Earth?

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Q4

• List all the layers of the Earth in order of
  their average density. (8 layers composed of
  matter)

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Q5

• The inner and outer core of earth are made out of
  the essentially the same material. One is
  liquid and the other is solid.
• Identify which one liquid in nature and explain
  why it is liquid.

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Q6

• Does the crust have the same thickness and
  density throughout?

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Q7

• What are 3 major differences between ocean crust
  versus continental crust?

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Q8

• How are the northern lights created?

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Q9

• The zone that makes up nearly two-thirds of the
  Earths mass is the
• crust
• mantle (all parts)
• core (inner and outer)
• hydrosphere

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Q10

• A possible source of Earths magnetism is the
  Earths
• Asthenosphere
• Mantle
• Core
• Lithosphere

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Q11

• How is a hard-boiled egg a good model of the
  Earths different interior zones? Explain your
  answer

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Q12

• What is the major resource that geologists use to
  learn about Earths interior?

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Q13

• Compare and contrast the asthenosphere with the
  lithosphere.

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Q14

• What is the difference between the
• Moho discontinuity and the
• Aurora Borealis(Northern lights) ?

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Q15

• Which section contains the greatest portion of
  the Earth
• core
• mantle
• crust

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Question 16

• What happens to the temperature and pressure of
  the rock as you ascend from the center of the
  Earth to its surface?

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Question 17

• What happens to the density of the material that
  makes up the Earth as you move from the surface
  to its center?

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Question 18

• Which will significantly effect the movement of
  the Earth?
• Billions of people running to the right at the
  same time
• Simultaneous explosion of 500 large nuclear bombs
  at the same place on the worlds surface
• A major eruption of a large volcano along the
  strength of the Mt. St. Helens eruption

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Q20

• Assume there is an elevator from the surface to
  the center of the earth (disregarding the
  impossibility of building such a device), and it
  moves at an average of 60 miles per hour.
• How long in minutes, hours and days would it
  take the elevator to reach the center of the
  Earth from the surface?

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Q21

• If you had an airplane that could move at 60
  miles per hour and had a really large gas tank,
  how long would it take you to travel the
  circumference of the world?
• Answers in hours and days