Convection Currents in the Mantle
10 minutes ago
efoley_61930
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14 QuestionsShow answers
  • Question 1
    60 seconds
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    Q. What is the heat source for convection in the mantle?
    answer choices
    the Crust
    the Mantle
    the Core
  • Question 2
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    Q. What is the cooling source for convection in the mantle?
    answer choices
    the Crust
    the Mantle
    the Core
  • Question 3
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    Q.  Where do convection currents happen in the model we are studying?
    answer choices
    the Crust
    the Mantle
    the Core
  • Question 4
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    Q. When molten  material is heated in the mantle it becomes
    answer choices
    more dense
    less dense 
  • Question 5
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    Q. When molten  material is cooled in the mantle it becomes
    answer choices
    more dense
    less dense 
  • Question 6
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    Q. When molten  material is heated in the mantle the molecules
    answer choices
    expand (spread out)
    condense (shrink together) 
    stay the same
  • Question 7
    60 seconds
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    Q. When molten  material is cooled in the mantle the molecules
    answer choices
    expand (spread out)
    condense (shrink together) 
    stay the same
  • Question 8
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    Q. Molecules that are more dense than the surrounding particles will...
    answer choices
    rise up
    sink down
    stay put
  • Question 9
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    Q. Molecules that are less dense than the surrounding particles will...
    answer choices
    rise up
    sink down
    stay put
  • Question 10
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    Q.

    How does heat move?

    answer choices

    from a warmer to a cooler object

    from a cooler to a warmer object

    toward a hot object

    away from a cold object

  • Question 11
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    Q.

    Convection currents occur due to...

    answer choices

    rotation of earth

    differences in temperature and density

    electrons moving

    gravitational pull

  • Question 12
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    Q.

    Which of the following is one reason Earth's tectonic plates to move?

    answer choices

    energy from the Sun

    magnetic Pole Reversal

    convection currents in the mantle

    faults in Mountain Ranges

  • Question 13
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    Q.

    Convection cycles move in the mantle. How does this affect the crust?

    answer choices

    crust has no motion

    crust moves in random directions

    crust moves in same direction convection cycle moves

  • Question 14
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    Q.

    Name the type of heat transfer shown in the picture.

    answer choices

    convection

    conduction

    radiation

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