The mantle and core

steph_narciso
Quiz by , created over 5 years ago

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

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steph_narciso
Created by steph_narciso over 5 years ago
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Question 1

Question
The widest section of the earth is
Answer
  • 2900km
  • 2850km

Question 2

Question
what sits on top of th asthenosphere?
Answer
  • rocks in the upper mantle which are solid
  • iron and nickel that generate heat

Question 3

Question
what is liquid and usually at the junctions of....allowing it to flow
Answer
  • crystalks
  • mantle

Question 4

Question
what happens to silicate rocks due to heat and pressure?
Answer
  • 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

Question 5

Question
how hot the the core?
Answer
  • 4000-6000
  • 5000-6000

Question 6

Question
hw many times denser is the core than the crust?
Answer
  • 2x
  • 4x

Question 7

Question
what is the radius of the core?
Answer
  • 1100km
  • 1200km

Question 8

Question
what creates convection currents?
Answer
  • the heat in the core
  • the mantle

Question 9

Question
what creates convection currents?
Answer
  • the heat in the core
  • the mantle

Question 10

Question
what creates convection currents?
Answer
  • the heat in the core
  • the mantle

Question 11

Question
what creates convection currents?
Answer
  • the heat in the core
  • the mantle

Question 12

Question
what creates convection currents?
Answer
  • the heat in the core
  • the mantle

Question 13

Question
what creates convection currents?
Answer
  • the heat in the core
  • the mantle

Question 14

Question
what creates convection currents?
Answer
  • the heat in the core
  • the mantle