Question 1

_______, in the north Atlantic Ocean, is a volcanic island formed over a hot spot on a divergent plate boundary.

Accepted Answer

Iceland

Question 2

A transform plate boundary is characterized by_______ .

Accepted Answer

A) two converging oceanic plates meeting head- on and piling up into a mid- ocean ridge 
B) a divergent boundary where the continental plate changes to an oceanic plate 
C) a deep, vertical fault along which two plates slide past one another in opposite directions 
D) stratovolcanoes on the edge of a plate and shield volcanoes on the adjacent plate 
A) two converging oceanic plates meeting head- on and piling up into a mid- ocean ridge 
B) a divergent boundary where the continental plate changes to an oceanic plate 
C) a deep, vertical fault along which two plates slide past one another in opposite directions 
D) stratovolcanoes on the edge of a plate and shield volcanoes on the adjacent plate C

Question 3

New oceanic crust and lithosphere are formed at_______ .

Accepted Answer

A) convergent boundaries by submarine eruptions and intrusions of basaltic magma 
B) divergent boundaries by submarine eruptions and intrusions of basaltic magma 
C) divergent boundaries by submarine eruptions and intrusions of rhyolitic magma 
D) convergent boundaries by submarine eruptions and intrusions of rhyolitic magma 
A) convergent boundaries by submarine eruptions and intrusions of basaltic magma 
B) divergent boundaries by submarine eruptions and intrusions of basaltic magma 
C) divergent boundaries by submarine eruptions and intrusions of rhyolitic magma 
D) convergent boundaries by submarine eruptions and intrusions of rhyolitic magma B

Question 4

The _______is an example of an active, continent- continent collision.

Accepted Answer

A) westward movement of the South American plate over the Nazca plate 
B) Arabian Peninsula slamming into North Africa under the Red Sea 
C) northern movement of Baja California and a sliver of western California toward the Hawaiian Islands 
D) northward movement of India into Eurasia 
A) westward movement of the South American plate over the Nazca plate 
B) Arabian Peninsula slamming into North Africa under the Red Sea 
C) northern movement of Baja California and a sliver of western California toward the Hawaiian Islands 
D) northward movement of India into Eurasia

Question 5

Deep- oceanic trenches are most abundant around the rim of the_______ ocean basin.

Accepted Answer

A) Pacific 
B) Atlantic 
C) Arctic 
D) Indian 
A) Pacific 
B) Atlantic 
C) Arctic 
D) Indian

Question 6

Rifting and normal faulting are characteristic of a(n)________ plate boundary.

Accepted Answer

The answer of Rifting and normal faulting are characteristic of...

Question 7

Which of the following statements apply to the asthenosphere, but not the lithosphere?

Accepted Answer

A) deforms mainly by brittle fracturing and faulting 
B) zone in the upper mantle that deforms by plastic flowage 
C) cool, rigid layer of crust and upper mantle that forms the tectonic plates 
D) partial melting of rising granitic plumes produces huge volumes of basaltic magma 
A) deforms mainly by brittle fracturing and faulting 
B) zone in the upper mantle that deforms by plastic flowage 
C) cool, rigid layer of crust and upper mantle that forms the tectonic plates 
D) partial melting of rising granitic plumes produces huge volumes of basaltic magma

Question 8

The continental drift hypothesis was rejected primarily because Alfred Wegener could not_______ .

Accepted Answer

A) identify a mechanism capable of moving continents 
B) disprove competing theories that were more accepted by scientists 
C) find geologic similarities on different continents 
D) all of the above 
A) identify a mechanism capable of moving continents 
B) disprove competing theories that were more accepted by scientists 
C) find geologic similarities on different continents 
D) all of the above

Question 9

All of the following are evidence supporting the theory of plate tectonics EXCEPT for .

Accepted Answer

A) changes in the Moon's orbit due to shifting plates 
B) ocean floor drilling 
C) paleomagnetism 
D) hot spots 
A) changes in the Moon's orbit due to shifting plates 
B) ocean floor drilling 
C) paleomagnetism 
D) hot spots

Question 10

If you could time travel back to the 1920s and meet Alfred Wegener, who was the original proponent of the continental drift hypothesis, what could you tell him about our modern idea of plate tectonics? What would you tell him regarding the structure of the Earth's interior, what evidence exists for plate tectonics, what is the relationship between volcanoes and earthquakes to plate tectonics (specifics), and what are some (if any)of the problems we still have in explaining certain features of plate tectonics?

Accepted Answer

The Earth is divided into different laye

Question 11

_______was never proposed as evidence supporting the existence of Pangaea.

Accepted Answer

A) Islands of Precambrian rocks along the Mid- Atlantic Ridge 
B) Similar fossils on different continents 
C) Late Paleozoic glacial features 
D) Geometrical fit between South America and Africa 
A) Islands of Precambrian rocks along the Mid- Atlantic Ridge 
B) Similar fossils on different continents 
C) Late Paleozoic glacial features 
D) Geometrical fit between South America and Africa

Question 12

A typical rate of seafloor spreading in the Atlantic Ocean is_______ .

Accepted Answer

A) 0.1 inches per year 
B) 2 feet per year 
C) 20 feet per year 
D) 2 centimeters per year 
A) 0.1 inches per year 
B) 2 feet per year 
C) 20 feet per year 
D) 2 centimeters per year

Question 13

Which one of the following most accurately describes the volcanoes of the Hawaiian Islands?

Accepted Answer

A) shield volcanoes fed by a long- lived hot spot below the Pacific lithospheric plate 
B) stratovolcanoes associated with a mid- Pacific transform fault 
C) shield volcanoes associated with a mid- Pacific ridge and spreading center 
D) stratovolcanoes associated with subduction and a convergent plate boundary 
A) shield volcanoes fed by a long- lived hot spot below the Pacific lithospheric plate 
B) stratovolcanoes associated with a mid- Pacific transform fault 
C) shield volcanoes associated with a mid- Pacific ridge and spreading center 
D) stratovolcanoes associated with subduction and a convergent plate boundary

Question 14

The late Paleozoic supercontinent is known as_______ .

Accepted Answer

A) Panatopia 
B) Pangaea 
C) Pandomonia 
D) Pancakea 
A) Panatopia 
B) Pangaea 
C) Pandomonia 
D) Pancakea

Question 15

During the first two decades of the twentieth century,_______ was a vigorous proponent of continental drift.

Accepted Answer

The answer of During the first two decades of the...

Question 16

The volcanoes and deep valleys of east Africa are related to a_______ .

Accepted Answer

A) continental collision zone between Africa and the Zagros Mountains along the southern margin of Eurasia 
B) continental rift along which parts of the African continent are beginning to slowly separate 
C) transform fault aligned with the Red Sea carrying the Arabian and African blocks in opposite directions 
D) fault allowing Arabia to slip westward past east Africa and penetrate into Turkey 
A) continental collision zone between Africa and the Zagros Mountains along the southern margin of Eurasia 
B) continental rift along which parts of the African continent are beginning to slowly separate 
C) transform fault aligned with the Red Sea carrying the Arabian and African blocks in opposite directions 
D) fault allowing Arabia to slip westward past east Africa and penetrate into Turkey

Question 17

A very long- lived magma source located deep in the mantle is called a ________.

Accepted Answer

A) hot spot 
B) magma welt 
C) basalt spout 
D) melt well 
A) hot spot 
B) magma welt 
C) basalt spout 
D) melt well

Question 18

Early results of the Deep Sea Drilling Project clearly justified the conclusion that_______ .

Accepted Answer

A) Proterozoic rocks are found only as seamounts in the deepest parts of the ocean basins 
B) the youngest sediments were deposited directly on the oldest seafloor basalts 
C) the oceans have not always contained most of Earth's water 
D) the ocean basins are relatively young; most ocean basin rocks and sediments are Cretaceous or younger in age 
A) Proterozoic rocks are found only as seamounts in the deepest parts of the ocean basins 
B) the youngest sediments were deposited directly on the oldest seafloor basalts 
C) the oceans have not always contained most of Earth's water 
D) the ocean basins are relatively young; most ocean basin rocks and sediments are Cretaceous or younger in age

Question 19

Linear, magnetic patterns associated with mid- ocean ridges are configured as_______ .

Accepted Answer

A) normal and reversed magnetized strips roughly parallel to the ridge 
B) reversed magnetizations along the rift valleys and normal magnetizations along the ridge 
C) concentric circles about a rising plume of hot mantle rocks and magma 
D) normal and reversed magnetized strips roughly perpendicular to the ridge axis 
A) normal and reversed magnetized strips roughly parallel to the ridge 
B) reversed magnetizations along the rift valleys and normal magnetizations along the ridge 
C) concentric circles about a rising plume of hot mantle rocks and magma 
D) normal and reversed magnetized strips roughly perpendicular to the ridge axis

Question 20

Cooler, older, oceanic lithosphere sinks into the mantle at ________.

Accepted Answer

A) transform fault zones along divergent plate boundaries 
B) sites of long- lived, hot spot volcanism in the ocean basins 
C) rift zones along mid- ocean ridges 
D) subduction zones along convergent plate boundaries 
A) transform fault zones along divergent plate boundaries 
B) sites of long- lived, hot spot volcanism in the ocean basins 
C) rift zones along mid- ocean ridges 
D) subduction zones along convergent plate boundaries

_______, in the north Atlantic Ocean, is a volcanic island formed over a hot spot on a divergent plate boundary.

A transform plate boundary is characterized by_______ .

New oceanic crust and lithosphere are formed at_______ .

The _______is an example of an active, continent- continent collision.

Deep- oceanic trenches are most abundant around the rim of the_______ ocean basin.

Rifting and normal faulting are characteristic of a(n)________ plate boundary.

Which of the following statements apply to the asthenosphere, but not the lithosphere?

The continental drift hypothesis was rejected primarily because Alfred Wegener could not_______ .

All of the following are evidence supporting the theory of plate tectonics EXCEPT for .

_______was never proposed as evidence supporting the existence of Pangaea.

A typical rate of seafloor spreading in the Atlantic Ocean is_______ .

Which one of the following most accurately describes the volcanoes of the Hawaiian Islands?

The late Paleozoic supercontinent is known as_______ .

During the first two decades of the twentieth century,_______ was a vigorous proponent of continental drift.

The volcanoes and deep valleys of east Africa are related to a_______ .

A very long- lived magma source located deep in the mantle is called a ________.

Early results of the Deep Sea Drilling Project clearly justified the conclusion that_______ .

Linear, magnetic patterns associated with mid- ocean ridges are configured as_______ .

Cooler, older, oceanic lithosphere sinks into the mantle at ________.

An Introduction to Geology

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters

Exam 2: Plate Tectonics: a Scientific Revolution Unfolds

_______, in the north Atlantic Ocean, is a volcanic island formed over a hot spot on a divergent plate boundary.

A transform plate boundary is characterized by_______ .

New oceanic crust and lithosphere are formed at_______ .

The _______is an example of an active, continent- continent collision.

Deep- oceanic trenches are most abundant around the rim of the_______ ocean basin.

Rifting and normal faulting are characteristic of a(n)________ plate boundary.

Which of the following statements apply to the asthenosphere, but not the lithosphere?

The continental drift hypothesis was rejected primarily because Alfred Wegener could not_______ .

All of the following are evidence supporting the theory of plate tectonics EXCEPT for .

_______was never proposed as evidence supporting the existence of Pangaea.

A typical rate of seafloor spreading in the Atlantic Ocean is_______ .

Which one of the following most accurately describes the volcanoes of the Hawaiian Islands?

The late Paleozoic supercontinent is known as_______ .

During the first two decades of the twentieth century,_______ was a vigorous proponent of continental drift.

The volcanoes and deep valleys of east Africa are related to a_______ .

A very long- lived magma source located deep in the mantle is called a ________.

Early results of the Deep Sea Drilling Project clearly justified the conclusion that_______ .

Linear, magnetic patterns associated with mid- ocean ridges are configured as_______ .

Cooler, older, oceanic lithosphere sinks into the mantle at ________.

An Introduction to Geology

Matter and Minerals

Igneous Rocks and Intrusive Activity

Volcanoes and Volcanic Hazards

Weathering and Soils

Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Origin and Evolution of the Ocean Floor

Crustal Deformation and Mountain Building

Mass Wasting: the Work of Gravity

Running Water

Groundwater

Glaciers and Glaciation

Deserts and Wind

Shorelines

Geologic Time

Earths Evolution Through Geologic Time

Global Climate Change

Filters