The mantle and core

Descripción

A2 GEOGRAPHY Test sobre The mantle and core, creado por steph_narciso el 07/03/2014.
steph_narciso
Test por steph_narciso, actualizado hace más de 1 año
steph_narciso
Creado por steph_narciso hace más de 10 años
46
1

Resumen del Recurso

Pregunta 1

Pregunta
The widest section of the earth is
Respuesta
  • 2900km
  • 2850km

Pregunta 2

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

Pregunta 3

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

Pregunta 4

Pregunta
what happens to silicate rocks due to heat and pressure?
Respuesta
  • 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

Pregunta 5

Pregunta
how hot the the core?
Respuesta
  • 4000-6000
  • 5000-6000

Pregunta 6

Pregunta
hw many times denser is the core than the crust?
Respuesta
  • 2x
  • 4x

Pregunta 7

Pregunta
what is the radius of the core?
Respuesta
  • 1100km
  • 1200km

Pregunta 8

Pregunta
what creates convection currents?
Respuesta
  • the heat in the core
  • the mantle

Pregunta 9

Pregunta
what creates convection currents?
Respuesta
  • the heat in the core
  • the mantle

Pregunta 10

Pregunta
what creates convection currents?
Respuesta
  • the heat in the core
  • the mantle

Pregunta 11

Pregunta
what creates convection currents?
Respuesta
  • the heat in the core
  • the mantle

Pregunta 12

Pregunta
what creates convection currents?
Respuesta
  • the heat in the core
  • the mantle

Pregunta 13

Pregunta
what creates convection currents?
Respuesta
  • the heat in the core
  • the mantle

Pregunta 14

Pregunta
what creates convection currents?
Respuesta
  • the heat in the core
  • the mantle
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