Question 1

The earth's crust in midocean

Accepted Answer

A) is always solid and thin relative to the continents. 
B) is always solid and thick relative to the continents. 
C) may have rifts through which molten rock rises and spreads out. 
D) may have rifts through which the ocean floors sink downward. 
A) is always solid and thin relative to the continents. 
B) is always solid and thick relative to the continents. 
C) may have rifts through which molten rock rises and spreads out. 
D) may have rifts through which the ocean floors sink downward.

Question 2

A typical speed for a lithosphere plate is

Accepted Answer

A) 3 mm/year. 
B) 3 cm/year. 
C) 3 m/year. 
D) 3 km/year. 
A) 3 mm/year. 
B) 3 cm/year. 
C) 3 m/year. 
D) 3 km/year.

Question 3

Which of the following statements is in accord with present knowledge?

Accepted Answer

A) Coal and petroleum originated from plant matter from swamps. 
B) Coal and petroleum originated from marine life such as algae and plankton. 
C) Coal originated from plant matter and petroleum from marine life. 
D) Coal originated from marine life and petroleum from plant matter. 
A) Coal and petroleum originated from plant matter from swamps. 
B) Coal and petroleum originated from marine life such as algae and plankton. 
C) Coal originated from plant matter and petroleum from marine life. 
D) Coal originated from marine life and petroleum from plant matter.

Question 4

The most recent division of geologic time is

Accepted Answer

A) Precambrian time. 
B) the Paleozoic era. 
C) the Mesozoic era. 
D) the Cenozoic era. 
A) Precambrian time. 
B) the Paleozoic era. 
C) the Mesozoic era. 
D) the Cenozoic era.

Question 5

Flowering plants first appeared in the

Accepted Answer

A) Cenozoic era. 
B) Mesozoic era. 
C) Paleozoic era. 
D) late Precambrian. 
A) Cenozoic era. 
B) Mesozoic era. 
C) Paleozoic era. 
D) late Precambrian.

Question 6

The dinosaurs

Accepted Answer

A) were reptiles. 
B) were giant mammals. 
C) disappeared gradually over a long period of time. 
D) still existed when the early humans appeared. 
A) were reptiles. 
B) were giant mammals. 
C) disappeared gradually over a long period of time. 
D) still existed when the early humans appeared.

Question 7

The Andes are the result of

Accepted Answer

A) an oceanic plate sliding under a continental plate. 
B) two oceanic plates colliding. 
C) two continental plates colliding. 
D) an enormous earthquake. 
A) an oceanic plate sliding under a continental plate. 
B) two oceanic plates colliding. 
C) two continental plates colliding. 
D) an enormous earthquake.

Question 8

The boundary between two plates that are sliding past each other is called a

Accepted Answer

A) normal fault. 
B) transform fault. 
C) syncline. 
D) subduction zone. 
A) normal fault. 
B) transform fault. 
C) syncline. 
D) subduction zone.

Question 9

Paleozoic rocks are noteworthy for the presence of

Accepted Answer

A) dinosaur fossils. 
B) fossils of early humans. 
C) coal deposits. 
D) radiocarbon deposits. 
A) dinosaur fossils. 
B) fossils of early humans. 
C) coal deposits. 
D) radiocarbon deposits.

Question 10

Climates in the Cenozoic era

Accepted Answer

A) were always cooler than today. 
B) were always warmer than today. 
C) were sometimes cooler and sometimes warmer than today. 
D) were always about the same as today. 
A) were always cooler than today. 
B) were always warmer than today. 
C) were sometimes cooler and sometimes warmer than today. 
D) were always about the same as today.

Question 11

Compared with granitic continental crust, basaltic oceanic crust is

Accepted Answer

A) less dense. 
B) about as dense. 
C) more dense. 
D) Any of these choices could be correct, depending on the location. 
A) less dense. 
B) about as dense. 
C) more dense. 
D) Any of these choices could be correct, depending on the location.

Question 12

Relative to the thickness of the earth's crust under the continents, under the oceans the crust is

Accepted Answer

A) thinner. 
B) about the same in thickness. 
C) thicker. 
D) Any of these choices could be correct, depending on the ocean. 
A) thinner. 
B) about the same in thickness. 
C) thicker. 
D) Any of these choices could be correct, depending on the ocean.

Question 13

Most fossils are found in

Accepted Answer

A) volcanic rocks. 
B) metamorphic rocks. 
C) sedimentary rocks that formed from deposits on the floors of shallow seas. 
D) sedimentary rocks that formed from stream deposits. 
A) volcanic rocks. 
B) metamorphic rocks. 
C) sedimentary rocks that formed from deposits on the floors of shallow seas. 
D) sedimentary rocks that formed from stream deposits.

Question 14

The Himalayas are the result of

Accepted Answer

A) a giant volcanic eruption. 
B) two oceanic plates colliding. 
C) two continental plates colliding. 
D) an oceanic and a continental plate colliding. 
A) a giant volcanic eruption. 
B) two oceanic plates colliding. 
C) two continental plates colliding. 
D) an oceanic and a continental plate colliding.

Question 15

A suitable object for radiocarbon dating would be one whose age is

Accepted Answer

A) 10,000 years old. 
B) 100,000 years old. 
C) 1 million years old. 
D) 10 million years old. 
A) 10,000 years old. 
B) 100,000 years old. 
C) 1 million years old. 
D) 10 million years old.

Question 16

Pangaea split into Laurasia and Gondwana during

Accepted Answer

A) Precambrian time. 
B) the Paleozoic era. 
C) the Mesozoic era. 
D) the Cenozoic era. 
A) Precambrian time. 
B) the Paleozoic era. 
C) the Mesozoic era. 
D) the Cenozoic era.

Question 17

In general, ancient forms of life are

Accepted Answer

A) simpler than those of today. 
B) more complex than those of today. 
C) about the same in complexity as those of today, although different. 
D) similar to those of today. 
A) simpler than those of today. 
B) more complex than those of today. 
C) about the same in complexity as those of today, although different. 
D) similar to those of today.

Question 18

The correct sequence of geologic time divisions from longest to shortest is

Accepted Answer

A) epoch, period, era. 
B) period, epoch, era. 
C) epoch, era, period. 
D) era, period, epoch. 
A) epoch, period, era. 
B) period, epoch, era. 
C) epoch, era, period. 
D) era, period, epoch.

Question 19

The oldest division of geologic time is

Accepted Answer

A) Precambrian time. 
B) the Paleozoic era. 
C) the Mesozoic era. 
D) the Cenozoic era. 
A) Precambrian time. 
B) the Paleozoic era. 
C) the Mesozoic era. 
D) the Cenozoic era.

Question 20

A fractured surface in the earth's crust, one side of which has moved relative to the other, is called a

Accepted Answer

A) fault. 
B) fault scarp. 
C) sill. 
D) dike. 
A) fault. 
B) fault scarp. 
C) sill. 
D) dike.

The earth's crust in midocean

A typical speed for a lithosphere plate is

Which of the following statements is in accord with present knowledge?

The most recent division of geologic time is

Flowering plants first appeared in the

The dinosaurs

The Andes are the result of

The boundary between two plates that are sliding past each other is called a

Paleozoic rocks are noteworthy for the presence of

Climates in the Cenozoic era

Compared with granitic continental crust, basaltic oceanic crust is

Relative to the thickness of the earth's crust under the continents, under the oceans the crust is

Most fossils are found in

The Himalayas are the result of

A suitable object for radiocarbon dating would be one whose age is

Pangaea split into Laurasia and Gondwana during

In general, ancient forms of life are

The correct sequence of geologic time divisions from longest to shortest is

The oldest division of geologic time is

A fractured surface in the earth's crust, one side of which has moved relative to the other, is called a

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

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Exam 16: The Evolving Earth

The earth's crust in midocean

A typical speed for a lithosphere plate is

Which of the following statements is in accord with present knowledge?

The most recent division of geologic time is

Flowering plants first appeared in the

The dinosaurs

The Andes are the result of

The boundary between two plates that are sliding past each other is called a

Paleozoic rocks are noteworthy for the presence of

Climates in the Cenozoic era

Compared with granitic continental crust, basaltic oceanic crust is

Relative to the thickness of the earth's crust under the continents, under the oceans the crust is

Most fossils are found in

The Himalayas are the result of

A suitable object for radiocarbon dating would be one whose age is

Pangaea split into Laurasia and Gondwana during

In general, ancient forms of life are

The correct sequence of geologic time divisions from longest to shortest is

The oldest division of geologic time is

A fractured surface in the earth's crust, one side of which has moved relative to the other, is called a

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Solar System

The Stars

The Universe

Filters