Question 1

Scientists have direct evidence of Earth's internal structure down to upper mantle.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following fuels the geologic cycle?

Accepted Answer

A) Solar wind. 
B) Earth's internal magnetism. 
C) Both solar energy and Earth's internal heat. 
D) Pressure. 
A) Solar wind. 
B) Earth's internal magnetism. 
C) Both solar energy and Earth's internal heat. 
D) Pressure.

Question 3

Earth's interior composition has been inferred by the use of seismic waves.

Accepted Answer

A) True 
 B)False

Question 4

The core comprises one third of Earth's mass,but only one sixth of its volume.

Accepted Answer

A) True 
 B)False

Question 5

Where do areas of upwelling material from the mantle to form new seafloor occur?

Accepted Answer

A) Divergent boundaries. 
B) Areas of seafloor spreading. 
C) Transform boundaries. 
D) Convergent boundaries. 
A) Divergent boundaries. 
B) Areas of seafloor spreading. 
C) Transform boundaries. 
D) Convergent boundaries.

Question 6

What is the range of thickness of Earth's crust?

Accepted Answer

A) 5 km to 60 km. 
B) 70 km to 250 km. 
C) the surface to an unknown depth. 
D) the surface down to 2900 km. 
A) 5 km to 60 km. 
B) 70 km to 250 km. 
C) the surface to an unknown depth. 
D) the surface down to 2900 km.

Question 7

Why is Earth's interior layered?

Accepted Answer

A) Centrifugal force separated out the materials based on weight as Earth solidified. 
B) Materials became sorted based on density as Earth solidified. 
C) Materials became sorted based on electromagnetic fields as Earth solidified. 
D) Materials separated as Earth cooled and the lighter ones floated to the surface. 
A) Centrifugal force separated out the materials based on weight as Earth solidified. 
B) Materials became sorted based on density as Earth solidified. 
C) Materials became sorted based on electromagnetic fields as Earth solidified. 
D) Materials separated as Earth cooled and the lighter ones floated to the surface.

Question 8

Roughly 95% of Earth's crust is made up of silicates.

Accepted Answer

A) True 
 B)False

Question 9

The upper mantle is rigid,whereas the aesthenosphere is plastic-like.

Accepted Answer

A) True 
 B)False

Question 10

The lowest features on Earth's surface coincide with which of the following?

Accepted Answer

A) Subduction zones. 
B) Mid-oceanic ridges. 
C) Transform plate boundaries. 
D) Divergent plate boundaries. 
A) Subduction zones. 
B) Mid-oceanic ridges. 
C) Transform plate boundaries. 
D) Divergent plate boundaries.

Question 11

Which type of processes are Tectonic forces?

Accepted Answer

A) Exogenic processes. 
B) Endogenic processes. 
C) Both exogenic and endogenic processes. 
D) Neither exogenic nor endogenic processes. 
A) Exogenic processes. 
B) Endogenic processes. 
C) Both exogenic and endogenic processes. 
D) Neither exogenic nor endogenic processes.

Question 12

Sedimentary rocks are a product of which system?

Accepted Answer

A) Tectonic. 
B) Endogenic. 
C) Exogenic. 
D) Intrusive. 
A) Tectonic. 
B) Endogenic. 
C) Exogenic. 
D) Intrusive.

Question 13

Limestone formed from the shells of marine organisms is an example of which sedimentary rock?

Accepted Answer

A) Clastic. 
B) Biochemical. 
C) Organic. 
D) Chemical. 
A) Clastic. 
B) Biochemical. 
C) Organic. 
D) Chemical.

Question 14

Which best describes Earth's magnetic poles?

Accepted Answer

A) They are fixed. 
B) They are migrating approximately 55 to 60 km per year. 
C) They are perfectly aligned with Earth's axis. 
D) They are misaligned from Earth's axis by 23.5 degrees. 
A) They are fixed. 
B) They are migrating approximately 55 to 60 km per year. 
C) They are perfectly aligned with Earth's axis. 
D) They are misaligned from Earth's axis by 23.5 degrees.

Question 15

Alfred Wegner's theory of continental drift was immediately accepted by the scientific community when it was proposed.

Accepted Answer

A) True 
 B)False

Question 16

Endogenic processes cause warping,folding,faulting,and uplift of Earth's surface.

Accepted Answer

A) True 
 B)False

Question 17

Which best describes geothermal energy?

Accepted Answer

A) It is the product of exogenic processes. 
B) Because it is such an inefficient form of energy,it is not widely used. 
C) Used geothermal water evaporates creating zones of high precipitation around areas that use it. 
D) It can be used to produce both heat and electricity. 
A) It is the product of exogenic processes. 
B) Because it is such an inefficient form of energy,it is not widely used. 
C) Used geothermal water evaporates creating zones of high precipitation around areas that use it. 
D) It can be used to produce both heat and electricity.

Question 18

Consider the density of the continental crust and the oceanic crust.Which of the following is correct?

Accepted Answer

A) Continental crust is less dense than oceanic crust and composed primarily of basalt. 
B) Continental crust is denser than oceanic crust and composed primarily of granite. 
C) Oceanic crust is less dense than continental crust and is composed primarily of granite. 
D) Oceanic crust is denser than continental crust and is composed primarily of basalt. 
A) Continental crust is less dense than oceanic crust and composed primarily of basalt. 
B) Continental crust is denser than oceanic crust and composed primarily of granite. 
C) Oceanic crust is less dense than continental crust and is composed primarily of granite. 
D) Oceanic crust is denser than continental crust and is composed primarily of basalt.

Question 19

What is the relationship between seafloor spreading and reversals in Earth's magnetic field?

Accepted Answer

As seafloor spreads,magma emerges at the

Question 20

The lithosphere lies above the aesthenosphere.

Accepted Answer

A) True 
 B)False

Scientists have direct evidence of Earth's internal structure down to upper mantle.

Which of the following fuels the geologic cycle?

Earth's interior composition has been inferred by the use of seismic waves.

The core comprises one third of Earth's mass,but only one sixth of its volume.

Where do areas of upwelling material from the mantle to form new seafloor occur?

What is the range of thickness of Earth's crust?

Why is Earth's interior layered?

Roughly 95% of Earth's crust is made up of silicates.

The upper mantle is rigid,whereas the aesthenosphere is plastic-like.

The lowest features on Earth's surface coincide with which of the following?

Which type of processes are Tectonic forces?

Sedimentary rocks are a product of which system?

Limestone formed from the shells of marine organisms is an example of which sedimentary rock?

Which best describes Earth's magnetic poles?

Alfred Wegner's theory of continental drift was immediately accepted by the scientific community when it was proposed.

Endogenic processes cause warping,folding,faulting,and uplift of Earth's surface.

Which best describes geothermal energy?

Consider the density of the continental crust and the oceanic crust.Which of the following is correct?

What is the relationship between seafloor spreading and reversals in Earth's magnetic field?

The lithosphere lies above the aesthenosphere.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

River Systems

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

Exam 12: The Dynamic Planet

Scientists have direct evidence of Earth's internal structure down to upper mantle.

Which of the following fuels the geologic cycle?

Earth's interior composition has been inferred by the use of seismic waves.

The core comprises one third of Earth's mass,but only one sixth of its volume.

Where do areas of upwelling material from the mantle to form new seafloor occur?

What is the range of thickness of Earth's crust?

Why is Earth's interior layered?

Roughly 95% of Earth's crust is made up of silicates.

The upper mantle is rigid,whereas the aesthenosphere is plastic-like.

The lowest features on Earth's surface coincide with which of the following?

Which type of processes are Tectonic forces?

Sedimentary rocks are a product of which system?

Limestone formed from the shells of marine organisms is an example of which sedimentary rock?

Which best describes Earth's magnetic poles?

Alfred Wegner's theory of continental drift was immediately accepted by the scientific community when it was proposed.

Endogenic processes cause warping,folding,faulting,and uplift of Earth's surface.

Which best describes geothermal energy?

Consider the density of the continental crust and the oceanic crust.Which of the following is correct?

What is the relationship between seafloor spreading and reversals in Earth's magnetic field?

The lithosphere lies above the aesthenosphere.

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

River Systems

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters