Question 1

Which of the following is NOT a significant source of the internal heat of the earth?

Accepted Answer

A)  Original heat of formation of the planet 
B)  Heat generated by crystallization of the core 
C)  Heat from the Sun 
D)  Radioactive decay of elements scattered throughout the mantle 
A)  Original heat of formation of the planet 
B)  Heat generated by crystallization of the core 
C)  Heat from the Sun 
D)  Radioactive decay of elements scattered throughout the mantle C

Question 2

Which of the following is FALSE about the mantle?

Accepted Answer

A)  The mantle surrounds the outer core. 
B)  The mantle is composed of iron- and magnesium-rich rocks. 
C)  The density of the rocks in the mantle is higher than water. 
D)  The density of the rocks in the mantle is lower than the outer core. 
E)  The mantle is mostly liquid. 
A)  The mantle surrounds the outer core. 
B)  The mantle is composed of iron- and magnesium-rich rocks. 
C)  The density of the rocks in the mantle is higher than water. 
D)  The density of the rocks in the mantle is lower than the outer core. 
E)  The mantle is mostly liquid. E

Question 3

Describe how the Hawaiian Islands were formed and explain how they are evidence for tectonic plate motion.

Accepted Answer

The Hawaiian Islands were formed by a hotspot deep in the mantle; as the Pacific plate moved over the Hawaiian Islands' hotspot, a chain of volcanoes was produced.

Question 4

The youngest seafloor rocks are found

Accepted Answer

A)  nearest to the mid-ocean ridges. 
B)  nearest to the continental shelves. 
C)  evenly distributed throughout the ocean. 
D)  underneath the continents. 
E)  where the ocean is the flattest. 
A)  nearest to the mid-ocean ridges. 
B)  nearest to the continental shelves. 
C)  evenly distributed throughout the ocean. 
D)  underneath the continents. 
E)  where the ocean is the flattest.

Question 5

Which tectonic plate boundary is associated with the following features: strong to major earthquakes; no volcanoes; no mountain chain is formed? San Andreas fault is a geographic example.

Accepted Answer

A)  divergent plate boundary 
B)  convergent plate boundary (subduction zone) 
C)  convergent plate boundary (collision zone) 
D)  transform plate boundary 
E)  hotspot 
A)  divergent plate boundary 
B)  convergent plate boundary (subduction zone) 
C)  convergent plate boundary (collision zone) 
D)  transform plate boundary 
E)  hotspot

Question 6

Over geologic time New York City is moving farther away from London, England due to movement associated with the Mid-Atlantic Ridge.

Accepted Answer

A) True 
 B)False

Question 7

The Earth's core is thought to be hollow.

Accepted Answer

A) True 
 B)False

Question 8

If you were studying photographs of another planet, what features would you look for to determine whether or not plate tectonic activity is occurring or has ever occurred?

Accepted Answer

You might look for linear belts of mount

Question 9

Slab pull seems to be a more important driving force for moving tectonic plates than ridge push.

Accepted Answer

A) True 
 B)False

Question 10

If you wanted to draw the boundaries of tectonic plates on a world map, which of the following maps would give you the most complete information?

Accepted Answer

A)  active volcanoes 
B)  mid-ocean ridges 
C)  earthquake distribution 
D)  edge of continental shelves 
E)  hotspots 
A)  active volcanoes 
B)  mid-ocean ridges 
C)  earthquake distribution 
D)  edge of continental shelves 
E)  hotspots

Question 11

The slow movement of the lithosphere is

Accepted Answer

A)  caused by the gravitational attraction from the Moon. 
B)  a key feature in the theory of plate tectonics. 
C)  responsible for earthquakes but not volcanoes. 
D)  speeding up because of human-induced changes. 
A)  caused by the gravitational attraction from the Moon. 
B)  a key feature in the theory of plate tectonics. 
C)  responsible for earthquakes but not volcanoes. 
D)  speeding up because of human-induced changes.

Question 12

Tectonic plates move about as fast as

Accepted Answer

A)  a car moves on a city street. 
B)  fingernails grow. 
C)  a swallow flies. 
D)  a tortoise walks. 
E)  hotspot. 
A)  a car moves on a city street. 
B)  fingernails grow. 
C)  a swallow flies. 
D)  a tortoise walks. 
E)  hotspot.

Question 13

All of the following are forces that may contribute to plate movements EXCEPT

Accepted Answer

A)  convection currents within the asthenosphere. 
B)  centrifugal forces from the rotation of the Earth. 
C)  the gravitational pull of the Earth on the subducting slabs of oceanic lithosphere. 
D)  the gravitational pull of the Earth on plates away from the mid-ocean ridges. 
A)  convection currents within the asthenosphere. 
B)  centrifugal forces from the rotation of the Earth. 
C)  the gravitational pull of the Earth on the subducting slabs of oceanic lithosphere. 
D)  the gravitational pull of the Earth on plates away from the mid-ocean ridges.

Question 14

Earth's magnetic field is produced from large amounts of magnetic minerals buried within the lower part of the crust.

Accepted Answer

A) True 
 B)False

Question 15

Explain why the location of volcanoes does NOT give a complete picture of the location of the plate boundaries.

Accepted Answer

Volcanoes are only associated with some

Question 16

Volcanism at transform plate boundaries is derived from melting of crustal rock.

Accepted Answer

A) True 
 B)False

Question 17

What would be the correct relationship between the crust and the lithosphere?

Accepted Answer

A)  The crust sits on top of the lithosphere. 
B)  The lithosphere sits on top of the crust. 
C)  The lithosphere and the crust are the same thing. 
D)  The lithosphere contains both the oceans and the continents, the crust only includes continents. 
E)  The lithosphere is liquid, whereas the crust is solid. 
A)  The crust sits on top of the lithosphere. 
B)  The lithosphere sits on top of the crust. 
C)  The lithosphere and the crust are the same thing. 
D)  The lithosphere contains both the oceans and the continents, the crust only includes continents. 
E)  The lithosphere is liquid, whereas the crust is solid.

Question 18

What is the importance of magnetic reversals to the theory of plate tectonics?

Accepted Answer

A)  It causes earthquakes. 
B)  It provides evidence for seafloor spreading. 
C)  It causes volcanic eruptions. 
D)  It is associated with mass extinction events. 
E)  It explains times of rapid change on the Earth's surface. 
A)  It causes earthquakes. 
B)  It provides evidence for seafloor spreading. 
C)  It causes volcanic eruptions. 
D)  It is associated with mass extinction events. 
E)  It explains times of rapid change on the Earth's surface.

Question 19

Which of the following hazards would you expect to see at a convergent plate boundary associated with a continent-continent collision zone?

Accepted Answer

A)  moderate strength earthquakes; non-explosive volcanic eruptions; flooding if volcanoes erupt underwater such as in Iceland 
B)  large earthquakes; explosive volcanic eruptions; landslides and flooding due to long chain of volcanic mountains 
C)  large earthquakes; no volcanoes; landslides and flooding due to the large plateau of very high mountains 
D)  large earthquakes; no volcanoes; flooding if the plate boundary is hilly 
A)  moderate strength earthquakes; non-explosive volcanic eruptions; flooding if volcanoes erupt underwater such as in Iceland 
B)  large earthquakes; explosive volcanic eruptions; landslides and flooding due to long chain of volcanic mountains 
C)  large earthquakes; no volcanoes; landslides and flooding due to the large plateau of very high mountains 
D)  large earthquakes; no volcanoes; flooding if the plate boundary is hilly

Question 20

What is the difference between the inner and outer core of the Earth?

Accepted Answer

A)  The inner core is liquid and the outer core is solid. 
B)  The inner core is made from magma and the outer core is metal. 
C)  The inner core is solid and the outer core is liquid. 
D)  The inner core is cool and the outer core is hot. 
E)  The inner core is hot and the outer core is cool. 
A)  The inner core is liquid and the outer core is solid. 
B)  The inner core is made from magma and the outer core is metal. 
C)  The inner core is solid and the outer core is liquid. 
D)  The inner core is cool and the outer core is hot. 
E)  The inner core is hot and the outer core is cool.

Which of the following is NOT a significant source of the internal heat of the earth?

Which of the following is FALSE about the mantle?

Describe how the Hawaiian Islands were formed and explain how they are evidence for tectonic plate motion.

The youngest seafloor rocks are found

Which tectonic plate boundary is associated with the following features: strong to major earthquakes; no volcanoes; no mountain chain is formed? San Andreas fault is a geographic example.

Over geologic time New York City is moving farther away from London, England due to movement associated with the Mid-Atlantic Ridge.

The Earth's core is thought to be hollow.

If you were studying photographs of another planet, what features would you look for to determine whether or not plate tectonic activity is occurring or has ever occurred?

Slab pull seems to be a more important driving force for moving tectonic plates than ridge push.

If you wanted to draw the boundaries of tectonic plates on a world map, which of the following maps would give you the most complete information?

The slow movement of the lithosphere is

Tectonic plates move about as fast as

All of the following are forces that may contribute to plate movements EXCEPT

Earth's magnetic field is produced from large amounts of magnetic minerals buried within the lower part of the crust.

Explain why the location of volcanoes does NOT give a complete picture of the location of the plate boundaries.

Volcanism at transform plate boundaries is derived from melting of crustal rock.

What would be the correct relationship between the crust and the lithosphere?

What is the importance of magnetic reversals to the theory of plate tectonics?

Which of the following hazards would you expect to see at a convergent plate boundary associated with a continent-continent collision zone?

What is the difference between the inner and outer core of the Earth?

Introduction to Natural Hazards

Earthquakes

Tsunamis

Volcanoes

Flooding

Mass Wasting

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Wildfires

Impacts and Extinctions

Filters

Exam 2: Internal Structure of the Earth and Plate Tectonics

Which of the following is NOT a significant source of the internal heat of the earth?

Which of the following is FALSE about the mantle?

Describe how the Hawaiian Islands were formed and explain how they are evidence for tectonic plate motion.

The youngest seafloor rocks are found

Which tectonic plate boundary is associated with the following features: strong to major earthquakes; no volcanoes; no mountain chain is formed? San Andreas fault is a geographic example.

Over geologic time New York City is moving farther away from London, England due to movement associated with the Mid-Atlantic Ridge.

The Earth's core is thought to be hollow.

If you were studying photographs of another planet, what features would you look for to determine whether or not plate tectonic activity is occurring or has ever occurred?

Slab pull seems to be a more important driving force for moving tectonic plates than ridge push.

If you wanted to draw the boundaries of tectonic plates on a world map, which of the following maps would give you the most complete information?

The slow movement of the lithosphere is

Tectonic plates move about as fast as

All of the following are forces that may contribute to plate movements EXCEPT

Earth's magnetic field is produced from large amounts of magnetic minerals buried within the lower part of the crust.

Explain why the location of volcanoes does NOT give a complete picture of the location of the plate boundaries.

Volcanism at transform plate boundaries is derived from melting of crustal rock.

What would be the correct relationship between the crust and the lithosphere?

What is the importance of magnetic reversals to the theory of plate tectonics?

Which of the following hazards would you expect to see at a convergent plate boundary associated with a continent-continent collision zone?

What is the difference between the inner and outer core of the Earth?

Introduction to Natural Hazards

Earthquakes

Tsunamis

Volcanoes

Flooding

Mass Wasting

Subsidence and Soils

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Coastal Hazards

Climate and Climate Change

Wildfires

Impacts and Extinctions

Filters