Question 1

The North Magnetic Pole is moving northwest at approximately 55 to 60 km (34-37 mi) per year.

Accepted Answer

A) True 
 B)False

Question 2

Metamorphism that occurs over broad areas when the pressure and associated heat of of overlaying rocks or other tectonic forces cause the rocks to undergo deformation is known as

Accepted Answer

A)  contact metamorphism. 
B)  regional metamorphism. 
C)  intrusive metamorphism. 
D)  extrusive metamorphism. 
A)  contact metamorphism. 
B)  regional metamorphism. 
C)  intrusive metamorphism. 
D)  extrusive metamorphism.

Question 3

Tectonic forces are an example of

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 4

Just eight natural elements make up over 98% of the Earth's crust by weight.

Accepted Answer

A) True 
 B)False

Question 5

The formation of clastic sedimentary rock may involve weathering, erosion, transportation, and deposition.

Accepted Answer

A) True 
 B)False

Question 6

The fact that Earth's interior is sorted into layers indicates that

Accepted Answer

A)  the process of formation from a nebula (by the slamming together of material and planetesimals that stuck together on impact) produces nice, neat layers. 
B)  Earth was once in a molten state, during which materials became sorted based on density. 
C)  the rotation of the early Earth acted like a centrifuge which separated materials based on weight. 
D)  nothing can be inferred about such a perplexing level of organization. 
A)  the process of formation from a nebula (by the slamming together of material and planetesimals that stuck together on impact) produces nice, neat layers. 
B)  Earth was once in a molten state, during which materials became sorted based on density. 
C)  the rotation of the early Earth acted like a centrifuge which separated materials based on weight. 
D)  nothing can be inferred about such a perplexing level of organization.

Question 7

Though the Earth is 4.6 billion years old, the oldest seafloor is no more than 280 million years old.

Accepted Answer

A) True 
 B)False

Question 8

Oceanic crust is denser than continental crust.

Accepted Answer

A) True 
 B)False

Question 9

At which of the following locations does subduction occur?

Accepted Answer

A)  along collision zones between two continents 
B)  at sea floor spreading zones 
C)  above mantle hot spots 
D)  along collision zones between continental and oceanic plates 
A)  along collision zones between two continents 
B)  at sea floor spreading zones 
C)  above mantle hot spots 
D)  along collision zones between continental and oceanic plates

Question 10

The geologic cycle is powered both by exogenic and endogenic energy systems.

Accepted Answer

A) True 
 B)False

Question 11

How does the ocean floor preserve evidence of past magnetic reversals.

Accepted Answer

A)  Magnetic particles in basalt orient with the magnetic field in force at the time the oceanic lava cooled and hardened. 
B)  Isotopic analysis of ocean core sediments help determine sea floor age and this can be used to infer past magnetism. 
C)  The ocean floor is uniformly old, preserving the Earth's 4.6 billion history. 
D)  Mantle hot spots are always oriented to the magnetic field. 
A)  Magnetic particles in basalt orient with the magnetic field in force at the time the oceanic lava cooled and hardened. 
B)  Isotopic analysis of ocean core sediments help determine sea floor age and this can be used to infer past magnetism. 
C)  The ocean floor is uniformly old, preserving the Earth's 4.6 billion history. 
D)  Mantle hot spots are always oriented to the magnetic field.

Question 12

Ocean floor subducts under continents because

Accepted Answer

A)  the ocean floor has a lower density and therefore sinks more easily. 
B)  the ocean floor is made of felsic minerals and is heavier than continental material. 
C)  the ocean floor is made of mafic material and is therefore more dense than continental material. 
D)  the weight of the continents is so great that they push the ocean floor material downward. 
A)  the ocean floor has a lower density and therefore sinks more easily. 
B)  the ocean floor is made of felsic minerals and is heavier than continental material. 
C)  the ocean floor is made of mafic material and is therefore more dense than continental material. 
D)  the weight of the continents is so great that they push the ocean floor material downward.

Question 13

Scientists have direct evidence of the Earth's structure to

Accepted Answer

A)  the inner core. 
B)  the upper mantle (~250 km (155 mi)). 
C)  about 2 km (1.2 mi) from the surface. 
D)  10 km (6 mi) from the surface, based on the deepest well shaft. 
A)  the inner core. 
B)  the upper mantle (~250 km (155 mi)). 
C)  about 2 km (1.2 mi) from the surface. 
D)  10 km (6 mi) from the surface, based on the deepest well shaft.

Question 14

Earth's magnetic field is generated from within the uppermost mantle and crust.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following gives the correct sequence of layers in Earth, from the surface to the center?

Accepted Answer

A)  crust, inner core, mantle, outer core 
B)  inner core, outer core, mantle, crust 
C)  mantle, crust, inner core, outer core 
D)  crust, mantle, outer core, inner core 
A)  crust, inner core, mantle, outer core 
B)  inner core, outer core, mantle, crust 
C)  mantle, crust, inner core, outer core 
D)  crust, mantle, outer core, inner core

Question 16

In terms of dating of specific rocks, structures, or landscapes, numerical age refers to

Accepted Answer

A)  the age of geological features based on isotopic dating techniques. 
B)  the approximate age of geological features based on the period or epoch in which they occurred. For instance, noting a feature is from the Cretaceous. 
C)  a range of numeric values in which a features was likely formed and based on several lines of evidence, such as paleoclimatic and paleobotanical reconstructions. 
D)  the age of one feature with respect to another within a sequence of events and deduced from the positions of rock strata above and below one another. 
A)  the age of geological features based on isotopic dating techniques. 
B)  the approximate age of geological features based on the period or epoch in which they occurred. For instance, noting a feature is from the Cretaceous. 
C)  a range of numeric values in which a features was likely formed and based on several lines of evidence, such as paleoclimatic and paleobotanical reconstructions. 
D)  the age of one feature with respect to another within a sequence of events and deduced from the positions of rock strata above and below one another.

Question 17

An assemblage of minerals bound together is called a

Accepted Answer

A)  granitic compound. 
B)  mineral. 
C)  molecule. 
D)  rock. 
A)  granitic compound. 
B)  mineral. 
C)  molecule. 
D)  rock.

Question 18

A mineral can be either organic or inorganic.

Accepted Answer

A) True 
 B)False

Question 19

Uniformitarianism holds that all geologic change affecting Earth's surface requires immense amounts of time to occur.

Accepted Answer

A) True 
 B)False

Question 20

Sedimentary rock formed from the combined processes of weathering, erosion, transportation, deposition, lithication, and compaction of rock fragments of other rocks are

Accepted Answer

A)  clastic. 
B)  biochemical. 
C)  organic. 
D)  chemical. 
A)  clastic. 
B)  biochemical. 
C)  organic. 
D)  chemical.

The North Magnetic Pole is moving northwest at approximately 55 to 60 km (34-37 mi) per year.

Metamorphism that occurs over broad areas when the pressure and associated heat of of overlaying rocks or other tectonic forces cause the rocks to undergo deformation is known as

Tectonic forces are an example of

Just eight natural elements make up over 98% of the Earth's crust by weight.

The formation of clastic sedimentary rock may involve weathering, erosion, transportation, and deposition.

The fact that Earth's interior is sorted into layers indicates that

Though the Earth is 4.6 billion years old, the oldest seafloor is no more than 280 million years old.

Oceanic crust is denser than continental crust.

At which of the following locations does subduction occur?

The geologic cycle is powered both by exogenic and endogenic energy systems.

How does the ocean floor preserve evidence of past magnetic reversals.

Ocean floor subducts under continents because

Scientists have direct evidence of the Earth's structure to

Earth's magnetic field is generated from within the uppermost mantle and crust.

Which of the following gives the correct sequence of layers in Earth, from the surface to the center?

In terms of dating of specific rocks, structures, or landscapes, numerical age refers to

An assemblage of minerals bound together is called a

A mineral can be either organic or inorganic.

Uniformitarianism holds that all geologic change affecting Earth's surface requires immense amounts of time to occur.

Sedimentary rock formed from the combined processes of weathering, erosion, transportation, deposition, lithication, and compaction of rock fragments of other rocks are

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 and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

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Exam 12: The Dynamic Planet

The North Magnetic Pole is moving northwest at approximately 55 to 60 km (34-37 mi) per year.

Metamorphism that occurs over broad areas when the pressure and associated heat of of overlaying rocks or other tectonic forces cause the rocks to undergo deformation is known as

Tectonic forces are an example of

Just eight natural elements make up over 98% of the Earth's crust by weight.

The formation of clastic sedimentary rock may involve weathering, erosion, transportation, and deposition.

The fact that Earth's interior is sorted into layers indicates that

Though the Earth is 4.6 billion years old, the oldest seafloor is no more than 280 million years old.

Oceanic crust is denser than continental crust.

At which of the following locations does subduction occur?

The geologic cycle is powered both by exogenic and endogenic energy systems.

How does the ocean floor preserve evidence of past magnetic reversals.

Ocean floor subducts under continents because

Scientists have direct evidence of the Earth's structure to

Earth's magnetic field is generated from within the uppermost mantle and crust.

Which of the following gives the correct sequence of layers in Earth, from the surface to the center?

In terms of dating of specific rocks, structures, or landscapes, numerical age refers to

An assemblage of minerals bound together is called a

A mineral can be either organic or inorganic.

Uniformitarianism holds that all geologic change affecting Earth's surface requires immense amounts of time to occur.

Sedimentary rock formed from the combined processes of weathering, erosion, transportation, deposition, lithication, and compaction of rock fragments of other rocks are

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 and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters