Question 1

How long did the process of density stratification of Earth last?

Accepted Answer

A)  100 million years 
B)  100 thousand years 
C)  10 billion years 
D)  1 billion years 
A)  100 million years 
B)  100 thousand years 
C)  10 billion years 
D)  1 billion years

Question 2

The life history of a star is dependent upon what?

Accepted Answer

A)  The amount of helium present 
B)  The speed of conversion of hydrogen to carbon or oxygen 
C)  The initial mass 
D)  The amount of energy output 
A)  The amount of helium present 
B)  The speed of conversion of hydrogen to carbon or oxygen 
C)  The initial mass 
D)  The amount of energy output

Question 3

The scientific method is a useful tool beyond the confines of science fields. It can be used in everyday life, by any person.

Accepted Answer

A) True 
 B)False

Question 4

Scientists believe that some answers to proposed question will ultimately never be known.

Accepted Answer

A) True 
 B)False

Question 5

The only aspect of science is the gathering of information and the studying of that information.

Accepted Answer

A) True 
 B)False

Question 6

How did the Earth form? How did the ocean form? Include relevant terminology, dates, and processes.

Accepted Answer

Answer should include:
•	The Big Bang Th

Question 7

Eventually our sun will become a red giant. Explain what this means. What would happen to Earth and our universe if this were to happen?

Accepted Answer

Answer should include:
•	A red giant ref

Question 8

What forms heavy elements such as gold, mercury, and uranium?

Accepted Answer

A)  A protostar 
B)  Condensation 
C)  A supernova 
D)  A solar nebula 
A)  A protostar 
B)  Condensation 
C)  A supernova 
D)  A solar nebula

Question 9

High levels of ____ could indicate life on other planets.

Accepted Answer

A)  free nitrogen 
B)  carbon dioxide 
C)  free oxygen 
D)  bound nitrogen 
A)  free nitrogen 
B)  carbon dioxide 
C)  free oxygen 
D)  bound nitrogen

Question 10

The composition of the Milky Way does not include:

Accepted Answer

A)  stars 
B)  gases 
C)  dust 
D)  galaktos 
A)  stars 
B)  gases 
C)  dust 
D)  galaktos

Question 11

The expansion of the universe that began during the big bang event continues to this day.

Accepted Answer

A) True 
 B)False

Question 12

What planet is an example that others planets besides Earth have a plethora of water?

Accepted Answer

A)  Mars 
B)  Jupiter 
C)  Saturn 
D)  Neptune 
A)  Mars 
B)  Jupiter 
C)  Saturn 
D)  Neptune

Question 13

A(n) ____ is a test involving manipulations made on conditions of a particular observation.

Accepted Answer

A)  hypothesis 
B)  experiment 
C)  theory 
D)  scientific method 
A)  hypothesis 
B)  experiment 
C)  theory 
D)  scientific method

Question 14

Oceanography encompasses aspects of many other science fields such as geology, physics, biology, and chemistry.

Accepted Answer

A) True 
 B)False

Question 15

Water in its liquid state is common in our solar system.

Accepted Answer

A) True 
 B)False

Question 16

What caused Earth to partially melt when being formed?

Accepted Answer

A)  Impact of asteroids, comets, and debris 
B)  Gravitational compression 
C)  Accumulation of decaying radioactive elements 
D)  A combination of all of these choices 
A)  Impact of asteroids, comets, and debris 
B)  Gravitational compression 
C)  Accumulation of decaying radioactive elements 
D)  A combination of all of these choices

Question 17

Why is biosynthesis unlikely to occur today as it did in Earth's youth?

Accepted Answer

A)  Living organisms have altered oceanic and atmospheric conditions 
B)  There is less available oxygen in the atmosphere 
C)  Ozone is less protective from the sun's influence 
D)  The ocean's do not contain enough free iron 
A)  Living organisms have altered oceanic and atmospheric conditions 
B)  There is less available oxygen in the atmosphere 
C)  Ozone is less protective from the sun's influence 
D)  The ocean's do not contain enough free iron

Question 18

How old are fossils that indicate the first life forms on Earth?

Accepted Answer

A)  Between 1.2 and 1.5 billion years old 
B)  Between 2.6 and 2.7 billion years old 
C)  Between 3.4 and 3.5 billion years old 
D)  Between 4 and 4.2 billion years old 
A)  Between 1.2 and 1.5 billion years old 
B)  Between 2.6 and 2.7 billion years old 
C)  Between 3.4 and 3.5 billion years old 
D)  Between 4 and 4.2 billion years old

Question 19

What was the main requirement for the development of life on Earth?

Accepted Answer

A)  Exposure to sunlight 
B)  Absence of free oxygen 
C)  Simple sugars 
D)  Energization from electrical sparks 
A)  Exposure to sunlight 
B)  Absence of free oxygen 
C)  Simple sugars 
D)  Energization from electrical sparks

Question 20

What key characteristic marks the beginning stages of the collapse of a star?

Accepted Answer

A)  The increase in temperature 
B)  The depletion of carbon and oxygen 
C)  The depletion of hydrogen 
D)  The expulsion of energy 
A)  The increase in temperature 
B)  The depletion of carbon and oxygen 
C)  The depletion of hydrogen 
D)  The expulsion of energy

How long did the process of density stratification of Earth last?

The life history of a star is dependent upon what?

The scientific method is a useful tool beyond the confines of science fields. It can be used in everyday life, by any person.

Scientists believe that some answers to proposed question will ultimately never be known.

The only aspect of science is the gathering of information and the studying of that information.

How did the Earth form? How did the ocean form? Include relevant terminology, dates, and processes.

Eventually our sun will become a red giant. Explain what this means. What would happen to Earth and our universe if this were to happen?

What forms heavy elements such as gold, mercury, and uranium?

High levels of ____ could indicate life on other planets.

The composition of the Milky Way does not include:

The expansion of the universe that began during the big bang event continues to this day.

What planet is an example that others planets besides Earth have a plethora of water?

A(n) ____ is a test involving manipulations made on conditions of a particular observation.

Oceanography encompasses aspects of many other science fields such as geology, physics, biology, and chemistry.

Water in its liquid state is common in our solar system.

What caused Earth to partially melt when being formed?

Why is biosynthesis unlikely to occur today as it did in Earth's youth?

How old are fossils that indicate the first life forms on Earth?

What was the main requirement for the development of life on Earth?

What key characteristic marks the beginning stages of the collapse of a star?

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water and Ocean Structure

Ocean Chemistry

Circulation of the Atmosphere

Circulation of the Ocean

Waves

Tides

Coasts

Life in the Ocean

Plankton, Algae, and Plants

Marine Animals

Marine Communities

Marine Resources

The Ocean and The Environment

Filters

Exam 1: The Origin of the Ocean

How long did the process of density stratification of Earth last?

The life history of a star is dependent upon what?

The scientific method is a useful tool beyond the confines of science fields. It can be used in everyday life, by any person.

Scientists believe that some answers to proposed question will ultimately never be known.

The only aspect of science is the gathering of information and the studying of that information.

How did the Earth form? How did the ocean form? Include relevant terminology, dates, and processes.

Eventually our sun will become a red giant. Explain what this means. What would happen to Earth and our universe if this were to happen?

What forms heavy elements such as gold, mercury, and uranium?

High levels of ____ could indicate life on other planets.

The composition of the Milky Way does not include:

The expansion of the universe that began during the big bang event continues to this day.

What planet is an example that others planets besides Earth have a plethora of water?

A(n) ____ is a test involving manipulations made on conditions of a particular observation.

Oceanography encompasses aspects of many other science fields such as geology, physics, biology, and chemistry.

Water in its liquid state is common in our solar system.

What caused Earth to partially melt when being formed?

Why is biosynthesis unlikely to occur today as it did in Earth's youth?

How old are fossils that indicate the first life forms on Earth?

What was the main requirement for the development of life on Earth?

What key characteristic marks the beginning stages of the collapse of a star?

A History of Marine Science

Earth Structure and Plate Tectonics

Ocean Basins

Ocean Sediments

Water and Ocean Structure

Ocean Chemistry

Circulation of the Atmosphere

Circulation of the Ocean

Waves

Tides

Coasts

Life in the Ocean

Plankton, Algae, and Plants

Marine Animals

Marine Communities

Marine Resources

The Ocean and The Environment

Filters