4.- Plates moving due to convection in mantle

Beschreibung

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 von PEDRO ALVAREZ JIMENEZ, aktualisiert more than 1 year ago
PEDRO ALVAREZ JIMENEZ
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Zusammenfassung der Ressource

Frage 1

Frage
What happens when we warm up water in a pot?
Antworten
  • 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

Frage 2

Frage
What happens when water reaches the top of the pot?
Antworten
  • 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

Frage 3

Frage
What are the characteristics of the mantle that permit it to produce convection currents?
Antworten
  • 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

Frage 4

Frage
The part of the mantle where convection currents occur is the astenosphere
Antworten
  • True
  • False

Frage 5

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