Earth's Interior

Discipline: Geology (and other Earth Sciences)

Type of Paper: Question-Answer

Academic Level: Undergrad. (yrs 3-4)

Paper Format: APA

Pages: 1 Words: 275


Earth Science/Introduction To Geology

Which layer in the Earth does not transmit S-waves?
the outer core

Continental crust beneath mountains can be up to ___ kilometers thick

How thick is the oceanic crust?
approximately 5 km

Which of the following statements about the Moho is false?
A. Seismic waves speed up as they pass down through the Moho.
B. The Moho separates denser rocks below from less dense rocks above.
C. The Moho separates the crust from the mantle.
D. The Moho marks the top of a partialy molten layer.

D. The Moho marks the top of a partialy molten layer.
The boundary between the crust and the mantle is marked by __________.
an increase in P-wave velocity and a change in rock type

The partially molten layer beneath the lithosphere is called the ______.

The lithosphere is approximately ___ kilometers thick.

What element makes up most of the Earth's core?