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

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 3

The age of the oldest rocks that have been dated is about

Accepted Answer

A)  4 million years. 
B)  50 million years. 
C)  1 billion years. 
D)  4 billion years. 
A)  4 million years. 
B)  50 million years. 
C)  1 billion years. 
D)  4 billion years.

Question 4

The oldest of the following is the

Accepted Answer

A)  Atlantic Ocean. 
B)  Tethys Sea. 
C)  Andes. 
D)  Himalayas. 
A)  Atlantic Ocean. 
B)  Tethys Sea. 
C)  Andes. 
D)  Himalayas.

Question 5

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 6

During the Pleistocene Epoch

Accepted Answer

A)  ice sheets covered the entire earth. 
B)  there was a single period of widespread glaciation. 
C)  there were a number of periods of widespread glaciation. 
D)  all animal life became extinct and later began again. 
A)  ice sheets covered the entire earth. 
B)  there was a single period of widespread glaciation. 
C)  there were a number of periods of widespread glaciation. 
D)  all animal life became extinct and later began again.

Question 7

The leading explanation for the disappearance of the dinosaurs ascribes it to

Accepted Answer

A)  an Ice Age. 
B)  an asteroid impact. 
C)  solar ultraviolet radiation. 
D)  hunting by early humans. 
A)  an Ice Age. 
B)  an asteroid impact. 
C)  solar ultraviolet radiation. 
D)  hunting by early humans.

Question 8

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 9

The dinosaurs disappeared at the end of

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 10

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 11

Relative to the ocean floors, the continents are

Accepted Answer

A)  much younger. 
B)  about the same age. 
C)  much older. 
D)  Any of these choices could be correct, depending on the ocean and continent. 
A)  much younger. 
B)  about the same age. 
C)  much older. 
D)  Any of these choices could be correct, depending on the ocean and continent.

Question 12

The oldest rocks in which evidence of life appears are those of

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 13

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 14

Land animals 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 15

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 16

Which one of the following is not a fossil?

Accepted Answer

A)  an insect trapped in amber 
B)  the track of a dinosaur 
C)  a tooth of an extinct species of horse 
D)  ancient raindrop impressions preserved in shale 
A)  an insect trapped in amber 
B)  the track of a dinosaur 
C)  a tooth of an extinct species of horse 
D)  ancient raindrop impressions preserved in shale

Question 17

Birds are descended from

Accepted Answer

A)  mammals. 
B)  dinosaurs. 
C)  fish. 
D)  insects. 
A)  mammals. 
B)  dinosaurs. 
C)  fish. 
D)  insects.

Question 18

Each of the following elements has at least one radioactive isotope. Which is not useful in geochronology?

Accepted Answer

A)  potassium 
B)  rubidium 
C)  uranium 
D)  plutonium 
A)  potassium 
B)  rubidium 
C)  uranium 
D)  plutonium

Question 19

Mammals were the dominant form of life in

Accepted Answer

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

Question 20

Mammals originated in

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.

The earth's crust in midocean

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

The age of the oldest rocks that have been dated is about

The oldest of the following is the

Paleozoic rocks are noteworthy for the presence of

During the Pleistocene Epoch

The leading explanation for the disappearance of the dinosaurs ascribes it to

Most fossils are found in

The dinosaurs disappeared at the end of

The most recent division of geologic time is

Relative to the ocean floors, the continents are

The oldest rocks in which evidence of life appears are those of

The dinosaurs

Land animals first appeared in the

A typical speed for a lithosphere plate is

Which one of the following is not a fossil?

Birds are descended from

Each of the following elements has at least one radioactive isotope. Which is not useful in geochronology?

Mammals were the dominant form of life in

Mammals originated in

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 Galaxies

Filters

Exam 16: The Evolving Earth

The earth's crust in midocean

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

The age of the oldest rocks that have been dated is about

The oldest of the following is the

Paleozoic rocks are noteworthy for the presence of

During the Pleistocene Epoch

The leading explanation for the disappearance of the dinosaurs ascribes it to

Most fossils are found in

The dinosaurs disappeared at the end of

The most recent division of geologic time is

Relative to the ocean floors, the continents are

The oldest rocks in which evidence of life appears are those of

The dinosaurs

Land animals first appeared in the

A typical speed for a lithosphere plate is

Which one of the following is not a fossil?

Birds are descended from

Each of the following elements has at least one radioactive isotope. Which is not useful in geochronology?

Mammals were the dominant form of life in

Mammals originated in

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 Galaxies

Filters