The mantle and core

Descrição

A2 GEOGRAPHY Quiz sobre The mantle and core, criado por steph_narciso em 07-03-2014.
steph_narciso
Quiz por steph_narciso, atualizado more than 1 year ago
steph_narciso
Criado por steph_narciso mais de 10 anos atrás
46
1

Resumo de Recurso

Questão 1

Questão
The widest section of the earth is
Responda
  • 2900km
  • 2850km

Questão 2

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

Questão 3

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

Questão 4

Questão
what happens to silicate rocks due to heat and pressure?
Responda
  • 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

Questão 5

Questão
how hot the the core?
Responda
  • 4000-6000
  • 5000-6000

Questão 6

Questão
hw many times denser is the core than the crust?
Responda
  • 2x
  • 4x

Questão 7

Questão
what is the radius of the core?
Responda
  • 1100km
  • 1200km

Questão 8

Questão
what creates convection currents?
Responda
  • the heat in the core
  • the mantle

Questão 9

Questão
what creates convection currents?
Responda
  • the heat in the core
  • the mantle

Questão 10

Questão
what creates convection currents?
Responda
  • the heat in the core
  • the mantle

Questão 11

Questão
what creates convection currents?
Responda
  • the heat in the core
  • the mantle

Questão 12

Questão
what creates convection currents?
Responda
  • the heat in the core
  • the mantle

Questão 13

Questão
what creates convection currents?
Responda
  • the heat in the core
  • the mantle

Questão 14

Questão
what creates convection currents?
Responda
  • the heat in the core
  • the mantle

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