4.- Plates moving due to convection in mantle

Descrição

https://www.khanacademy.org/science/cosmology-and-astronomy/earth-history-topic/plate-techtonics/v/plates-moving-due-to-convection-in-mantle
PEDRO ALVAREZ JIMENEZ
Quiz por PEDRO ALVAREZ JIMENEZ, atualizado more than 1 year ago
PEDRO ALVAREZ JIMENEZ
Criado por PEDRO ALVAREZ JIMENEZ mais de 9 anos atrás
353
2

Resumo de Recurso

Questão 1

Questão
What happens when we warm up water in a pot?
Responda
  • More kinetic energy- less volume- less density- molecules rise up
  • More kinetic energy- more volume- less density- molecules rise up
  • More kinetic energy- less volume- more density- molecules rise up

Questão 2

Questão
What happens when water reaches the top of the pot?
Responda
  • Molecules cools down- more kinetic energy- less volume- more dense- falls down
  • Molecules cools down- less kinetic energy- less volume- less dense- falls down
  • Molecules cools down- less kinetic energy- less volume- more dense- falls down

Questão 3

Questão
What are the characteristics of the mantle that permit it to produce convection currents?
Responda
  • It is hot and elastic
  • It is a kind of mushy, spongy state
  • It is not quite liquid, but not quite solid state, kind of plastic

Questão 4

Questão
The part of the mantle where convection currents occur is the astenosphere
Responda
  • True
  • False

Questão 5

Questão
What if the mantle solidified?
Responda
  • No convection currents, no plate movement
  • No convection currents, no earthquakes
  • No convection currents, no volcanism

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