Question 1

New oceanic crust and lithosphere are formed at ________.

Accepted Answer

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

Question 2

________ was never proposed as evidence supporting the existence of Pangaea.

Accepted Answer

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

Question 3

Earth's radius and surface area are slowly increasing to accommodate the new oceanic crust being formed at mid-ocean ridges.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

The answer of ________, in the north Atlantic Ocean, is...

Question 5

The Himalayan Mountains are the tectonic product of a collision between India and Eurasia that began in Eocene time and still continues.

Accepted Answer

A) True 
 B)False

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

Today, ________ is in about the same geographic position as during late Paleozoic time.

Accepted Answer

A)  India 
B)  South America 
C)  Australia 
D)  Antarctica 
A)  India 
B)  South America 
C)  Australia 
D)  Antarctica

Question 8

________ was an ancient reptile that lived in South America and Africa during the late Paleozoic.

Accepted Answer

A)  Granopteris 
B)  Monastarious 
C)  Glossopteris 
D)  Mesosaurus 
A)  Granopteris 
B)  Monastarious 
C)  Glossopteris 
D)  Mesosaurus

Question 9

Matching. Match the plate boundary with the appropriate phrase.
-characterized by basaltic volcanism and seafloor spreading

Accepted Answer

A) convergent 
B) transform 
C) divergent 
A) convergent 
B) transform 
C) divergent

Question 10

A transform plate boundary is characterized by ________.

Accepted Answer

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

Question 11

What is the name of the chain of volcanic islands shown in the diagram below?

Accepted Answer

The answer of What is the name of the chain...

Question 12

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

Accepted Answer

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

Question 13

Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?

Accepted Answer

A)  gravitational attractive forces of the Sun and Moon 
B)  electrical and magnetic fields localized in the inner core 
C)  export of heat from deep in the mantle to the top of the asthenosphere 
D)  swirling movements of the molten iron particles in the outer core 
A)  gravitational attractive forces of the Sun and Moon 
B)  electrical and magnetic fields localized in the inner core 
C)  export of heat from deep in the mantle to the top of the asthenosphere 
D)  swirling movements of the molten iron particles in the outer core

Question 14

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

Question 15

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Accepted Answer

A)  fossil evidence 
B)  fit of the continents 
C)  paleomagnetism 
D)  paleoclimates 
A)  fossil evidence 
B)  fit of the continents 
C)  paleomagnetism 
D)  paleoclimates

Question 16

Iceland is a good example of an island arc, formed from an oceanic-oceanic plate collision.

Accepted Answer

A) True 
 B)False

Question 17

The San Andreas fault in California is a good example of a(n) ________ plate boundary.

Accepted Answer

The answer of The San Andreas fault in California is...

Question 18

The rate of seafloor spreading is, on the average, about one meter per year.

Accepted Answer

A) True 
 B)False

Question 19

A typical rate of seafloor spreading in the Atlantic Ocean is ________.

Accepted Answer

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

Question 20

The ________ is an example of an active, continent-continent collision.

Accepted Answer

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

Exam 7: Plate Tectonics: a Scientific Theory Unfolds

New oceanic crust and lithosphere are formed at ________.

________ was never proposed as evidence supporting the existence of Pangaea.

Earth's radius and surface area are slowly increasing to accommodate the new oceanic crust being formed at mid-ocean ridges.

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

The Himalayan Mountains are the tectonic product of a collision between India and Eurasia that began in Eocene time and still continues.

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

Today, ________ is in about the same geographic position as during late Paleozoic time.

________ was an ancient reptile that lived in South America and Africa during the late Paleozoic.

Matching. Match the plate boundary with the appropriate phrase. -characterized by basaltic volcanism and seafloor spreading

A transform plate boundary is characterized by ________.

What is the name of the chain of volcanic islands shown in the diagram below?

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

Which of the following energy sources is thought to drive the lateral motions of Earth's lithospheric plates?

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

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Iceland is a good example of an island arc, formed from an oceanic-oceanic plate collision.

The San Andreas fault in California is a good example of a(n) ________ plate boundary.

The rate of seafloor spreading is, on the average, about one meter per year.

A typical rate of seafloor spreading in the Atlantic Ocean is ________.

The ________ is an example of an active, continent-continent collision.

Introduction to Earth Science

Minerals: Building Blocks of Rocks

Rocks: Materials of the Solid Earth

Weathering, Soil, and Mass Wasting

Running Water and Groundwater

Glaciers, Deserts, and Winds

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Geologic Time

Earths Evolution Through Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition, Structure, and Temperature

Moisture, Clouds, and Precipitation

Air Pressure and Wind

Weather Patterns and Severe Weather

Climate

Origin of Modern Astronomy

Touring Our Solar System

Light, Astronomical Observations, and the Sun

Beyond Our Solar System

Filters