Question 1

What is the primary method scientists use to determine the layering of the interior of the Earth?

Accepted Answer

A) Drill cores 
B) Volcanic rocks 
C) Sonar 
D) Seismic waves 
A) Drill cores 
B) Volcanic rocks 
C) Sonar 
D) Seismic waves

Question 2

Oceanic crust is compositionally more similar to the mantle than to continental crust.

Accepted Answer

A) True 
 B)False

Question 3

Where is the thinnest continental crust in North America?

Accepted Answer

A) Appalachian Mountains 
B) Mississippi River Valley 
C) Basin and Range region 
D) Colorado Plateau 
A) Appalachian Mountains 
B) Mississippi River Valley 
C) Basin and Range region 
D) Colorado Plateau

Question 4

Which atom is easier to compress when pressure is squeezing a rock and why?

Accepted Answer

A) Negative ion; it has more electrons and is "fluffier." 
B) Positive ion; it has fewer electrons and is already densely compact. 
C) Negative ion; electrons are easier to remove. 
D) Positive ion; it is less resistant and easier to compress. 
A) Negative ion; it has more electrons and is "fluffier." 
B) Positive ion; it has fewer electrons and is already densely compact. 
C) Negative ion; electrons are easier to remove. 
D) Positive ion; it is less resistant and easier to compress.

Question 5

The ________ is a seismic boundary between the crust and the mantle where there is a dramatic increase in seismic wave velocity.

Accepted Answer

A) Schrodinger discontinuity 
B) Greenschist facies 
C) Low-velocity pathway 
D) Moho boundary 
A) Schrodinger discontinuity 
B) Greenschist facies 
C) Low-velocity pathway 
D) Moho boundary

Question 6

Seismic tomography requires only the data from one earthquake in order to "see" all parts of the Earth's interior.

Accepted Answer

A) True 
 B)False

Question 7

What is the average geothermal gradient in the crust?

Accepted Answer

A) 20°C/km 
B) 30°C/km 
C) 45°C/km 
D) 100°C/km 
A) 20°C/km 
B) 30°C/km 
C) 45°C/km 
D) 100°C/km

Question 8

Is the force of gravity the same over the Earth's surface? Explain why or why not.

Accepted Answer

The acceleration due to gravity is not t

Question 9

What is the dominant mineral in the lower mantle?

Accepted Answer

A) Perovskite 
B) Olivine 
C) Quartz 
D) Pyroxene 
A) Perovskite 
B) Olivine 
C) Quartz 
D) Pyroxene

Question 10

Which layer or layers of the interior are believed to have convection cells?

Accepted Answer

A) Mantle 
B) Mantle and outer core 
C) Inner core 
D) Outer core and inner core 
A) Mantle 
B) Mantle and outer core 
C) Inner core 
D) Outer core and inner core

Question 11

Which process is responsible for Earth's magnetic field? In which layer does this process occur?

Accepted Answer

A) Radiation; upper mantle 
B) Subduction; lower mantle 
C) Convection; outer core 
D) Crystallization; inner core 
A) Radiation; upper mantle 
B) Subduction; lower mantle 
C) Convection; outer core 
D) Crystallization; inner core

Question 12

What is the average rate of temperature increase in the mantle?

Accepted Answer

A) 0.3°C/km 
B) 0.7°C/km 
C) 1°C/km 
D) 1.3°C/km 
A) 0.3°C/km 
B) 0.7°C/km 
C) 1°C/km 
D) 1.3°C/km

Question 13

Which of the following is a negative gravity anomaly on this map?

Accepted Answer

A) Location A 
B) Location B 
C) Location C 
D) Location D 
A) Location A 
B) Location B 
C) Location C 
D) Location D

Question 14

Which physical property is responsible for determining how Earth materials separate into interior layers?

Accepted Answer

A) Density 
B) Color 
C) Molecular charge 
D) Tensile strength 
A) Density 
B) Color 
C) Molecular charge 
D) Tensile strength

What is the primary method scientists use to determine the layering of the interior of the Earth?

Oceanic crust is compositionally more similar to the mantle than to continental crust.

Where is the thinnest continental crust in North America?

Which atom is easier to compress when pressure is squeezing a rock and why?

The ________ is a seismic boundary between the crust and the mantle where there is a dramatic increase in seismic wave velocity.

Seismic tomography requires only the data from one earthquake in order to "see" all parts of the Earth's interior.

What is the average geothermal gradient in the crust?

Is the force of gravity the same over the Earth's surface? Explain why or why not.

What is the dominant mineral in the lower mantle?

Which layer or layers of the interior are believed to have convection cells?

Which process is responsible for Earth's magnetic field? In which layer does this process occur?

What is the average rate of temperature increase in the mantle?

Which of the following is a negative gravity anomaly on this map?

Which physical property is responsible for determining how Earth materials separate into interior layers?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Magma, Igneous Rocks, and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes

Divergent Boundaries

Convergent Boundaries

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Global Climate Change

Earths Evolution Through Geologic Time

Energy and Mineral Resources

Touring Our Solar System

Filters

Exam 12: Earths Interior

What is the primary method scientists use to determine the layering of the interior of the Earth?

Oceanic crust is compositionally more similar to the mantle than to continental crust.

Where is the thinnest continental crust in North America?

Which atom is easier to compress when pressure is squeezing a rock and why?

The ________ is a seismic boundary between the crust and the mantle where there is a dramatic increase in seismic wave velocity.

Seismic tomography requires only the data from one earthquake in order to "see" all parts of the Earth's interior.

What is the average geothermal gradient in the crust?

Is the force of gravity the same over the Earth's surface? Explain why or why not.

What is the dominant mineral in the lower mantle?

Which layer or layers of the interior are believed to have convection cells?

Which process is responsible for Earth's magnetic field? In which layer does this process occur?

What is the average rate of temperature increase in the mantle?

Which of the following is a negative gravity anomaly on this map?

Which physical property is responsible for determining how Earth materials separate into interior layers?

An Introduction to Geology

Plate Tectonics: a Scientific Revolution Unfolds

Matter and Minerals

Magma, Igneous Rocks, and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soil

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Geologic Time

Crustal Deformation

Earthquakes

Divergent Boundaries

Convergent Boundaries

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Winds

Shorelines

Global Climate Change

Earths Evolution Through Geologic Time

Energy and Mineral Resources

Touring Our Solar System

Filters