Question 1

________ can cause uplift in a mountain range through isostatic compensation.

Accepted Answer

The answer of ________ can cause uplift in a mountain...

Question 2

New oceanic lithosphere is generated at mid-ocean ridges.

Accepted Answer

A) True 
 B)False

Question 3

How do magnetic stripes on the ocean floor serve as evidence for seafloor spreading?

Accepted Answer

A) Their symmetry on either side of the mid-ocean ridge shows that new crust is created, then split. 
B) Their patterns show that the Earth's magnetic field reverses every few hundred years, on average. 
C) They show that island arc volcanism creates new oceanic crust at the mid-ocean ridges. 
D) Their symmetry on either side of mid-ocean ridges shows that transform boundaries are sliding boundaries.

Question 4

A change in the direction of wave travel at the core-mantle boundary is called ________.

Accepted Answer

The answer of A change in the direction of wave...

Question 5

Yellowstone National Park lies atop a(n) ________.

Accepted Answer

The answer of Yellowstone National Park lies atop a(n) ________....

Question 6

What driving force of plate movement is likely dominant?

Accepted Answer

A) ridge push 
B) slab pull 
C) mountain rise 
D) valley fall

Question 7

How do seismologists know the outer core is liquid?

Accepted Answer

A) P-waves are refracted upon arrival in the outer core 
B) S-waves are absorbed upon arrival in the outer core 
C) both S-waves and P-waves speed up in the outer core 
D) both S-waves and P-waves slow down in the outer core

Question 8

The supercontinent Pangaea consisted of Laurasia and ________.

Accepted Answer

The answer of The supercontinent Pangaea consisted of Laurasia and...

Question 9

________-waves pass through the outer core.

Accepted Answer

The answer of ________-waves pass through the outer core....

Question 10

The asthenosphere is stronger than the lithosphere.

Accepted Answer

A) True 
 B)False

Question 11

The Cascade Mountains are part of a(n) ________ convergent boundary.

Accepted Answer

The answer of The Cascade Mountains are part of a(n)...

Question 12

At convergent plate boundaries

Accepted Answer

A) the plate of higher density subducts into the mantle 
B) the plate of lower density subducts into the mantle 
C) new oceanic crust is created 
D) magnetic stripes are generated in oceanic rocks

Question 13

The volcano called ________ is the youngest of the Hawaiian volcanoes.

Accepted Answer

The answer of The volcano called ________ is the youngest...

Question 14

What is the principal difference between the inner core and outer core?

Accepted Answer

A) The inner core consists mainly of iron and nickel, while the outer core consists mainly of silicate minerals. 
B) The inner core consists mainly of silicate minerals, while the outer core consists mainly of iron and nickel. 
C) The inner core is solid while the outer core is liquid. 
D) The inner core is liquid while the outer core is solid.

Question 15

Deep (>200 km) earthquakes can only be found at a convergent boundary.

Accepted Answer

A) True 
 B)False

Question 16

How did seafloor spreading revive Alfred Wegener's ideas about continental drift?

Accepted Answer

A) Sea floor spreading relied on new fossil evidence documenting the former joining of the continents. 
B) Sea floor spreading provided an explanation for the consumption of oceanic crust at plate boundaries. 
C) The topography of the ocean floor demonstrated that mountain ranges on either side of the Atlantic Ocean were formerly joined. 
D) Sea floor spreading prevented a viable mechanism for moving the continents.

Question 17

When did the supercontinent Pangaea start breaking apart?

Accepted Answer

A) 4.6 billion years ago 
B) 560 million years ago 
C) 180 million years ago 
D) 65 million years ago

Question 18

Hot spots are recorded by

Accepted Answer

A) extensive earthquake hazards 
B) mantle rock exposed at the Earth's surface 
C) rock from the outer mantle included in volcanic rocks 
D) a sequence of volcanic centers younging toward the hot spot

Question 19

Convergence of plates can cause ________ forces that build mountain ranges.

Accepted Answer

The answer of Convergence of plates can cause ________ forces...

Question 20

Which type of earthquake wave moves fastest?

Accepted Answer

A) P-wave 
B) S-wave 
C) L-wave 
D) R-wave

Exam 2: Internal Structure of Earth and Plate Tectonics

________ can cause uplift in a mountain range through isostatic compensation.

New oceanic lithosphere is generated at mid-ocean ridges.

How do magnetic stripes on the ocean floor serve as evidence for seafloor spreading?

A change in the direction of wave travel at the core-mantle boundary is called ________.

Yellowstone National Park lies atop a(n) ________.

What driving force of plate movement is likely dominant?

How do seismologists know the outer core is liquid?

The supercontinent Pangaea consisted of Laurasia and ________.

________-waves pass through the outer core.

The asthenosphere is stronger than the lithosphere.

The Cascade Mountains are part of a(n) ________ convergent boundary.

At convergent plate boundaries

The volcano called ________ is the youngest of the Hawaiian volcanoes.

What is the principal difference between the inner core and outer core?

Deep (>200 km) earthquakes can only be found at a convergent boundary.

How did seafloor spreading revive Alfred Wegener's ideas about continental drift?

When did the supercontinent Pangaea start breaking apart?

Hot spots are recorded by

Convergence of plates can cause ________ forces that build mountain ranges.

Which type of earthquake wave moves fastest?