Question 1

The Ming Dynasty ships used magnetic compasses similar to those used today.

Accepted Answer

A) True 
 B)False

Question 2

When the Earth cooled,the layers of the earth separated based on density differences.

Accepted Answer

A) True 
 B)False

Question 3

Radioactive isotopes can sometimes be used to determine the:

Accepted Answer

A)  absolute age of the rock.
B)  chemical composition of the rock.
C)  formation method.
D)  metamorphism.
E)  relative age of the rock.F) B) and E)
G) A) and D)

Question 4

In general,the chemical composition of ocean water has remained constant through geologic time.

Accepted Answer

A) True 
 B)False

Question 5

Heterotrophic organisms can make their own food from inorganic carbon sources.

Accepted Answer

A) True 
 B)False

Question 6

Production of the first free oxygen in the atmosphere caused organisms living at that time to flourish.

Accepted Answer

A) True 
 B)False

Question 7

Free oxygen in our atmosphere is important to the development and maintenance of life on Earth because oxygen:

Accepted Answer

A)  combines with iron in volcanic rocks.
B)  can form ozone and block some UV radiation.
C)  is necessary for photosynthesis to occur.
D)  reduces atmospheric temperature.
E)  was very abundant in our early atmosphere.F) B) and C)
G) C) and D)

Question 8

Early Polynesians only traveled within sight of land.

Accepted Answer

A) True 
 B)False

Question 9

Earth's primordial atmosphere most likely included:

Accepted Answer

A)  ammonia,carbon dioxide,and water vapor.
B)  carbon dioxide,water vapor,sulfur dioxide,and methane.
C)  hydrogen,helium,and oxygen.
D)  nitrogen,ozone,and sulfur dioxide.
E)  all of the above.F) A) and E)
G) C) and D)

Question 10

Significant oceanographic knowledge was acquired during the Middle Ages.

Accepted Answer

A) True 
 B)False

Question 11

The salinity of the oceans has been steadily increasing.

Accepted Answer

A) True 
 B)False

Question 12

The correct arrangement of astronomical bodies from oldest to youngest is:

Accepted Answer

A)  galaxy,solar system,planet.
B)  planet,galaxy,solar system.
C)  planet,solar system,galaxy.
D)  solar system,galaxy,planet.
E)  solar system,planet,galaxy.F) A) and C)
G) B) and E)

Question 13

Which of the following statements regarding continental and oceanic crust is TRUE?

Accepted Answer

A)  Continental crust and oceanic crust have equivalent densities.
B)  Continental crust is thicker and denser than oceanic crust.
C)  Continental crust is thinner and denser than oceanic crust.
D)  Continental crust is thicker and less dense than oceanic crust.
E)  Continental crust is thinner and less dense than oceanic crust.F) A) and B)
G) A) and C) D

Question 14

Free oxygen was present in the Earth's primordial atmosphere.

Accepted Answer

A) True 
 B)False  False

Question 15

Match between columns
                        Premises: mantle
crust
galaxy
nebula
core

Accepted Answer

The Answer of composed of iron and nickel, liquid outer is...

Question 16

Vikings led by Thor Heyerdahl established temporary colonies in North America.

Accepted Answer

A) True 
 B)False

Question 17

The nebular hypothesis suggest that:

Accepted Answer

A)  Earth's moon is an asteroid captured by the Earth's gravity.
B)  galaxies such as the Milky Way form independent of one another.
C)  the Earth was formed a cosmic explosion,a "big bang".
D)  the moon is derived from a protoplanet.
E)  all bodies in the solar system formed from an enormous gas cloud.F) None of the above
G) All of the above

Question 18

The mantle could not have produced enough water to fill the oceans.

Accepted Answer

A) True 
 B)False

Question 19

.The separation of the Earth into layers was the result of the:

Accepted Answer

A)  decrease in temperature downward toward the core.
B)  differing densities of the rock and mineral materials.
C)  gravitational force created by the rotating Earth.
D)  initial collection of materials and their position in Earth.
E)  presence of water at Earth's surface.F) B) and E)
G) A) and E) B

Question 20

The four principle oceans of the Earth are the:

Accepted Answer

A)  Antarctic,Arctic,Indian,and Pacific Oceans.
B)  Atlantic,Arctic,Indian,and Pacific Oceans.
C)  Atlantic,Antarctic,Mediterranean,and Pacific Oceans.
D)  Antarctic,Caspian,Indian,and Pacific Oceans.
E)  Atlantic,Arctic,Mediterranean,and Pacific Oceans.F) A) and D)
G) None of the above

Exam 1: Introduction to Planet Earth

The Ming Dynasty ships used magnetic compasses similar to those used today.

Correct Answer
verified

When the Earth cooled,the layers of the earth separated based on density differences.

Correct Answer
verified

Radioactive isotopes can sometimes be used to determine the:

Correct Answer
verified

In general,the chemical composition of ocean water has remained constant through geologic time.

Correct Answer
verified

Heterotrophic organisms can make their own food from inorganic carbon sources.

Correct Answer
verified

Production of the first free oxygen in the atmosphere caused organisms living at that time to flourish.

Correct Answer
verified

Free oxygen in our atmosphere is important to the development and maintenance of life on Earth because oxygen:

Correct Answer
verified

Early Polynesians only traveled within sight of land.

Correct Answer
verified

Earth's primordial atmosphere most likely included:

Correct Answer
verified

Significant oceanographic knowledge was acquired during the Middle Ages.

Correct Answer
verified

The salinity of the oceans has been steadily increasing.

Correct Answer
verified

The correct arrangement of astronomical bodies from oldest to youngest is:

Correct Answer
verified

Which of the following statements regarding continental and oceanic crust is TRUE?

Correct Answer
verified
D

Free oxygen was present in the Earth's primordial atmosphere.

Correct Answer
verified
False

Match the term or person with the appropriate phrase.You may use each answer once,more than once or not at all.

Vikings led by Thor Heyerdahl established temporary colonies in North America.

Correct Answer
verified

The nebular hypothesis suggest that:

Correct Answer
verified

The mantle could not have produced enough water to fill the oceans.

Correct Answer
verified

.The separation of the Earth into layers was the result of the:

Correct Answer
verified
B

The four principle oceans of the Earth are the:

Correct Answer
verified

Exam 1: Introduction to Planet Earth

The Ming Dynasty ships used magnetic compasses similar to those used today.

Correct AnswerverifiedShow Answer

When the Earth cooled,the layers of the earth separated based on density differences.

Correct AnswerverifiedShow Answer

Radioactive isotopes can sometimes be used to determine the:

Correct AnswerverifiedShow Answer

In general,the chemical composition of ocean water has remained constant through geologic time.

Correct AnswerverifiedShow Answer

Heterotrophic organisms can make their own food from inorganic carbon sources.

Correct AnswerverifiedShow Answer

Production of the first free oxygen in the atmosphere caused organisms living at that time to flourish.

Correct AnswerverifiedShow Answer

Free oxygen in our atmosphere is important to the development and maintenance of life on Earth because oxygen:

Correct AnswerverifiedShow Answer

Early Polynesians only traveled within sight of land.

Correct AnswerverifiedShow Answer

Earth's primordial atmosphere most likely included:

Correct AnswerverifiedShow Answer

Significant oceanographic knowledge was acquired during the Middle Ages.

Correct AnswerverifiedShow Answer

The salinity of the oceans has been steadily increasing.

Correct AnswerverifiedShow Answer

The correct arrangement of astronomical bodies from oldest to youngest is:

Correct AnswerverifiedShow Answer

Which of the following statements regarding continental and oceanic crust is TRUE?

Correct AnswerverifiedD

Free oxygen was present in the Earth's primordial atmosphere.

Correct AnswerverifiedFalse

Match the term or person with the appropriate phrase.You may use each answer once,more than once or not at all.

Vikings led by Thor Heyerdahl established temporary colonies in North America.

Correct AnswerverifiedShow Answer

The nebular hypothesis suggest that:

Correct AnswerverifiedShow Answer

The mantle could not have produced enough water to fill the oceans.

Correct AnswerverifiedShow Answer

.The separation of the Earth into layers was the result of the:

Correct AnswerverifiedB

The four principle oceans of the Earth are the:

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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D

Correct Answer
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False

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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B

Correct Answer
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