Chapter 32: Questions

Question 1

What can S waves travel through?

Answer 1

Solids

Question 2

Why is the outer core liquid and not the inner core?

Answer 2

Less weight is exerted on the outer core, so it can become a liquid. More is in the inner core, preventing it from becoming a liquid.

Question 3

What’s the difference between the asthenosphere and lithosphere?

Answer 3

The asthenosphere behaves like a plastic but flows easier. The lithosphere is more rigid and brittle and does not flow.

Question 4

What convectional movement is responsible for the motion of lithospheric plates?

Answer 4

Interior thermal convection

Question 5

What is the difference between anticlines and Synclines?

Answer 5

Anticline rocks are older at the core and younger farther away from it. Synclines are youngest at the core and older as you move away from it.

Question 6

What is the difference between normal and reverse faults?

Answer 6

Reverse faults cause rocks in the hanging wall to be pushed up the fault plane. Normal
Faults cause rocks to drop along the fault plane.

Question 7

How do strike- slip

Faults move differently from normal and reverse faults?

Answer 7

Strike slip faults move horizontally, normal and reverse move vertically.

Question 8

What does the earths crust have in common with a conveyor belt?

Answer 8

New crust is formed old crust is destroyed.

Question 9

What type of plate boundary produced the Appalachian mountains?

Answer 9

Continental- continental

Question 10

How do P and S waves move differently?

Answer 10

S- transverse (horizontal)

P- longitudinal (vertical)