Question 1

All of the following statements are true about the formation of our solar system and planet EXCEPT:

Accepted Answer

A)  As a nebula contracts, stars are formed in the center of the spinning disc of gas and dust. 
B)  Planets form as gases and materials condense. 
C)  The Big Bang occurred about 5.6 billion years ago. 
D)  Gaseous planets form on the outer regions of the solar system.

Question 2

About 1.5 billion years ago, oxygen began to accumulate as a byproduct of ____, drastically changing the composition of the Earth's atmosphere.

Accepted Answer

A)  biosynthesis 
B)  cellular respiration 
C)  methane synthesis 
D)  photosynthesis

Question 3

Of all the planets in the solar system, the Earth is the only planet to currently have large quantities of liquid water on its surface.

Accepted Answer

A) True 
 B)False

Question 4

Deep-sea fossils suggest that life evolved within the last million years.

Accepted Answer

A) True 
 B)False

Question 5

The ocean originated from:

Accepted Answer

A)  volcanic gases. 
B)  radioactive heating of the Earth's interior, and the heating of the surface by meteorites striking and melting the outer layers of the Earth. 
C)  capture by the Earth's gravity of water molecules in space. 
D)  volcanic gases, radioactive heating of the Earth's interior, and a barrage of icy comets or asteroids striking and melting the outer layers of the Earth.

Question 6

Which of the following best describes biosynthesis?

Accepted Answer

A)  The discovery of organic molecules in space. 
B)  The evolution of living organisms from simple organic building blocks. 
C)  The evolution of inorganic molecules in seawater. 
D)  Experiments that show that early organisms lived in an oxygen-free environment.

Question 7

Describe the primary (or traditional) branches of oceanography and give an example of how modern technology has been used to advance our knowledge in the field.

Accepted Answer

The answer of Describe the primary (or traditional) branches of...

Question 8

Explain what is meant by "one world ocean."

Accepted Answer

The answer of Explain what is meant by "one world...

Question 9

Describe the Big Bang theory.

Accepted Answer

The answer of Describe the Big Bang theory....

Question 10

Evidence suggests the universe began about 13.7 billion years ago in a:

Accepted Answer

A)  slow accretion of atoms. 
B)  very large galaxy. 
C)  cataclysmic expansion of energy and matter. 
D)  protostar.

Question 11

About ____ percent of Earth's water is found in the Ocean.

Accepted Answer

A) 97.5 
B)  71 
C) 67.4 
D) 30.1

Question 12

The most abundant form of matter in the universe appears to be:

Accepted Answer

A)  water molecules. 
B)  planets and planet-like bodies. 
C)  dust and debris. 
D)  hydrogen.

Question 13

The death of a star is characterized by a massive release of energy called a ____.

Accepted Answer

A)  nebula 
B)  protostar 
C)  supernova 
D)  comet

Question 14

Scientists predict that our planet in its current form will exist for about another:

Accepted Answer

A)  5 billion years. 
B)  1 million years 
C)  500 million years 
D)  13 billion years

Question 15

The average height of the continents above sea level is greater than the average depth of the ocean.

Accepted Answer

A) True 
 B)False

Question 16

After Earth's formation, the planet's ocean did not form for nearly:

Accepted Answer

A)  13 billion years. 
B)  1 billion years. 
C)  4 billion years. 
D)  200 million years.

Question 17

Discuss the early atmosphere and how it could have lead to the evolution of life on Earth.

Accepted Answer

The answer of Discuss the early atmosphere and how it...

Question 18

The average depth of the ocean is about ____.

Accepted Answer

A)  760 meters (2,500 feet) 
B)  3,700 meters (12,000 feet) 
C)  200 meters (650 feet) 
D)  1,200 meters (4,000 feet)

Question 19

The ocean holds more than 97 percent of Earth's water.

Accepted Answer

A) True 
 B)False

Question 20

Our sun and its family of planets were formed about:

Accepted Answer

A)  6,000 to 10,000 years ago. 
B)  5 billion years ago. 
C)  45 million years ago. 
D)  40 billion years ago.

Exam 1: The Origin of the Ocean

All of the following statements are true about the formation of our solar system and planet EXCEPT:

About 1.5 billion years ago, oxygen began to accumulate as a byproduct of ____, drastically changing the composition of the Earth's atmosphere.

Of all the planets in the solar system, the Earth is the only planet to currently have large quantities of liquid water on its surface.

Deep-sea fossils suggest that life evolved within the last million years.

The ocean originated from:

Which of the following best describes biosynthesis?

Describe the primary (or traditional) branches of oceanography and give an example of how modern technology has been used to advance our knowledge in the field.

Explain what is meant by "one world ocean."

Describe the Big Bang theory.

Evidence suggests the universe began about 13.7 billion years ago in a:

About ____ percent of Earth's water is found in the Ocean.

The most abundant form of matter in the universe appears to be:

The death of a star is characterized by a massive release of energy called a ____.

Scientists predict that our planet in its current form will exist for about another:

The average height of the continents above sea level is greater than the average depth of the ocean.

After Earth's formation, the planet's ocean did not form for nearly:

Discuss the early atmosphere and how it could have lead to the evolution of life on Earth.

The average depth of the ocean is about ____.

The ocean holds more than 97 percent of Earth's water.

Our sun and its family of planets were formed about: