Question 1

Scientific hypotheses are never revised or updated.

Accepted Answer

A) True 
 B)False

Question 2

The universe began to form around 13 billion years ago.

Accepted Answer

A) True 
 B)False

Question 3

What is the most abundant form of matter in the universe?

Accepted Answer

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

Question 4

The temperature of the ocean about four billion years ago was ____.

Accepted Answer

A) about the same as today's ocean 
B) much colder than that of today's ocean 
C) extremely hot compared with today's ocean 
D) only slightly warmer than today's ocean 
A) about the same as today's ocean 
B) much colder than that of today's ocean 
C) extremely hot compared with today's ocean 
D) only slightly warmer than today's ocean

Question 5

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

Question 6

On a planetary scale, the ocean comprises about ____ of Earth's mass.

Accepted Answer

A) 8% 
B) 71% 
C) 20% 
D) 0.02% 
A) 8% 
B) 71% 
C) 20% 
D) 0.02%

Question 7

Which statement is true about the formation of our solar system and planet?

Accepted Answer

A) As a nebula contracts, stars are formed along the outer edges 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 in the innermost regions of the solar system. 
A) As a nebula contracts, stars are formed along the outer edges 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 in the innermost regions of the solar system.

Question 8

Oxygen first began to accumulate in Earth's atmosphere as a result of ____.

Accepted Answer

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

Question 9

The ocean originated from ____.

Accepted Answer

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

Question 10

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

Accepted Answer

A) 97 
B) 71 
C) 67 
D) 30 
A) 97 
B) 71 
C) 67 
D) 30

Question 11

Marine science draws on information from disciplines of geology, biology, chemistry, physics, and engineering.

Accepted Answer

A) True 
 B)False

Question 12

During its initial formation by the accretion of particles, the young Earth was ____.

Accepted Answer

A) shrouded in a thick atmosphere 
B) density stratified with a core, mantle, and crust 
C) likely chemically homogenous throughout 
D) completely covered by an ocean 
A) shrouded in a thick atmosphere 
B) density stratified with a core, mantle, and crust 
C) likely chemically homogenous throughout 
D) completely covered by an ocean

Question 13

Volcanic venting of substances including water vapor is called ____.

Accepted Answer

A) outgassing 
B) fissure 
C) fusion 
D) condensation 
A) outgassing 
B) fissure 
C) fusion 
D) condensation

Question 14

Planets other than Earth with liquid on or near the surface are ____.

Accepted Answer

A) nonexistent 
B) less rare than we thought 
C) extremely common but only in the form of water 
D) extremely common but only in the form of ice 
A) nonexistent 
B) less rare than we thought 
C) extremely common but only in the form of water 
D) extremely common but only in the form of ice

Question 15

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

Accepted Answer

A) True 
 B)False

Question 16

Evidence suggests that the first living molecules may have formed near ____.

Accepted Answer

A) the continents 
B) subduction zones 
C) the surface of the ocean 
D) mineral-rich seeps on the ocean floor 
A) the continents 
B) subduction zones 
C) the surface of the ocean 
D) mineral-rich seeps on the ocean floor

Question 17

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

Accepted Answer

Earth's atmosphere formed as hot gases e

Question 18

The inner core of Earth is primarily made of ____.

Accepted Answer

A) magnesium 
B) water 
C) iron 
D) silicates 
A) magnesium 
B) water 
C) iron 
D) silicates

Question 19

The oldest known fossils were discovered in northwestern Australia and resemble modern-day ____.

Accepted Answer

A) bacteria 
B) animals 
C) fungi 
D) viruses 
A) bacteria 
B) animals 
C) fungi 
D) viruses

Question 20

Saturn's moon, Titan, is known to possess liquid hydrocarbons on its surface.

Accepted Answer

A) True 
 B)False

Scientific hypotheses are never revised or updated.

The universe began to form around 13 billion years ago.

What is the most abundant form of matter in the universe?

The temperature of the ocean about four billion years ago was ____.

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

On a planetary scale, the ocean comprises about ____ of Earth's mass.

Which statement is true about the formation of our solar system and planet?

Oxygen first began to accumulate in Earth's atmosphere as a result of ____.

The ocean originated from ____.

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

Marine science draws on information from disciplines of geology, biology, chemistry, physics, and engineering.

During its initial formation by the accretion of particles, the young Earth was ____.

Volcanic venting of substances including water vapor is called ____.

Planets other than Earth with liquid on or near the surface are ____.

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

Evidence suggests that the first living molecules may have formed near ____.

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

The inner core of Earth is primarily made of ____.

The oldest known fossils were discovered in northwestern Australia and resemble modern-day ____.

Saturn's moon, Titan, is known to possess liquid hydrocarbons on its surface.

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters

Exam 1: The Origin of the Ocean

Scientific hypotheses are never revised or updated.

The universe began to form around 13 billion years ago.

What is the most abundant form of matter in the universe?

The temperature of the ocean about four billion years ago was ____.

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

On a planetary scale, the ocean comprises about ____ of Earth's mass.

Which statement is true about the formation of our solar system and planet?

Oxygen first began to accumulate in Earth's atmosphere as a result of ____.

The ocean originated from ____.

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

Marine science draws on information from disciplines of geology, biology, chemistry, physics, and engineering.

During its initial formation by the accretion of particles, the young Earth was ____.

Volcanic venting of substances including water vapor is called ____.

Planets other than Earth with liquid on or near the surface are ____.

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

Evidence suggests that the first living molecules may have formed near ____.

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

The inner core of Earth is primarily made of ____.

The oldest known fossils were discovered in northwestern Australia and resemble modern-day ____.

Saturn's moon, Titan, is known to possess liquid hydrocarbons on its surface.

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters