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A2 GEOGRAPHY Quiz on The mantle and core, created by steph_narciso on 03/07/2014.

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steph_narciso
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The mantle and core

The mantle and core

Question 1 of 14

1

The widest section of the earth is

Select one or more of the following:

  • 2900km

  • 2850km

Explanation

Question 2 of 14

1

what sits on top of th asthenosphere?

Select one or more of the following:

  • rocks in the upper mantle which are solid

  • iron and nickel that generate heat

Explanation

Question 3 of 14

1

what is liquid and usually at the junctions of....allowing it to flow

Select one or more of the following:

  • crystalks

  • mantle

Explanation

Question 4 of 14

1

what happens to silicate rocks due to heat and pressure?

Select one or more of the following:

  • the silicate rocks are in a thick liquid state and so can flow and become denser with depth

  • the silicate rocks are in a thick liquid state and so can flow and become less denser with depth

Explanation

Question 5 of 14

1

how hot the the core?

Select one or more of the following:

  • 4000-6000

  • 5000-6000

Explanation

Question 6 of 14

1

hw many times denser is the core than the crust?

Select one or more of the following:

  • 2x

  • 4x

Explanation

Question 7 of 14

1

what is the radius of the core?

Select one or more of the following:

  • 1100km

  • 1200km

Explanation

Question 8 of 14

1

what creates convection currents?

Select one or more of the following:

  • the heat in the core

  • the mantle

Explanation

Question 9 of 14

1

what creates convection currents?

Select one or more of the following:

  • the heat in the core

  • the mantle

Explanation

Question 10 of 14

1

what creates convection currents?

Select one or more of the following:

  • the heat in the core

  • the mantle

Explanation

Question 11 of 14

1

what creates convection currents?

Select one or more of the following:

  • the heat in the core

  • the mantle

Explanation

Question 12 of 14

1

what creates convection currents?

Select one or more of the following:

  • the heat in the core

  • the mantle

Explanation

Question 13 of 14

1

what creates convection currents?

Select one or more of the following:

  • the heat in the core

  • the mantle

Explanation

Question 14 of 14

1

what creates convection currents?

Select one or more of the following:

  • the heat in the core

  • the mantle

Explanation

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