LITHOSPHERE AND ASTHENOSPHERE
What is the lithosphere?
How far does the lithosphere extend?
What makes up the lithosphere?
Why does the lithosphere move?
What is the asthenosphere?
Name: ____________________________________
What causes the asthenosphere to move?
How do the lithosphere and asthenosphere differ?
f the lithosphere is resting on the asthenosphere and you put a lot of weight
on the lithosphere, say ice in a glacier, how would the lithosphere respond?
Go to the following link and answer the questions below about the Earth’s
mantle.
http://www.ck12.org/earth-science/Earths-Mantle/lesson/Earths-Mantle/
What is a kimberlite pipe?
What are tow important facts about the mantle?
What is the difference between conduction and convection?
Below the heading PRACTICE on this web site is a short video. Watch it and
answer the following questions:
What incorrect statement does this video make about the asthenosphere?
What causes plate movement?
What is convection?
Watch the second short video on convection currents and answer the
questions below.
What happens to the denser material?
What happens to the less dense material?
Where are convection currents found?
Explain the structure of the mantle.