Question 1

Briefly explain the importance of the geologic time scale.

Accepted Answer

The geologic time scale is the result of work by many geologists worldwide who used fossils, rock records, and relative and radiometric dating techniques to determine a chronology for the evolution of Earth and existence of life through time.

Question 2

What is the name of the method that is used to determine the absolute age of a rock body?

Accepted Answer

Radiometric dating.

Question 3

What does geology have to do with the standard of living that societies have?

Accepted Answer

One of the many activities that geologists engage in are locating and extracting the mineral deposits and petroleum resources necessary for industrialization that results in a healthy economy, and therefore, a higher standard of living.

Question 4

Briefly explain with the help of a couple of examples how Earth behaves as a dynamic planet.

Accepted Answer

Earth is not static. It is constantly ch

Question 5

Many wars are fought over natural resources.

Accepted Answer

A) True 
 B)False

Question 6

A hypothesis is

Accepted Answer

A)  thought to be the truth by most scientists. 
B)  a tentative explanation. 
C)  a description of something that happens without fail. 
D)  a guess. 
A)  thought to be the truth by most scientists. 
B)  a tentative explanation. 
C)  a description of something that happens without fail. 
D)  a guess.

Question 7

How do igneous rocks form?

Accepted Answer

Magma crystallizes o

Question 8

The Big Bang took place approximately ____ years ago.

Accepted Answer

A)  140 billion 
B)  40 billion 
C)  14 billion 
D)  14 million 
E)  14,000 
A)  140 billion 
B)  40 billion 
C)  14 billion 
D)  14 million 
E)  14,000

Question 9

Physical geology is the study of ____________________.

Accepted Answer

Earth materials, such as rocks

Question 10

Historical geology is the study of how geology is related to human history.

Accepted Answer

A) True 
 B)False

Question 11

What is the greenhouse effect, and how does it work? What happens when greenhouse gas levels in the atmosphere increase?

Accepted Answer

Carbon dioxide and other greenhouse gase

Question 12

Earth's core is probably:

Accepted Answer

A)  composed of rock with high silica content. 
B)  molten throughout. 
C)  composed of potassium- and aluminum-rich silicates. 
D)  composed mostly of iron and nickel. 
A)  composed of rock with high silica content. 
B)  molten throughout. 
C)  composed of potassium- and aluminum-rich silicates. 
D)  composed mostly of iron and nickel.

Question 13

The scientific theory for the origin of our solar system, involving the condensation and collapse of interstellar material in a spiral arm of the Milky Way galaxy, is the ____________________ theory.

Accepted Answer

The answer of The scientific theory for the origin of...

Question 14

Briefly explain the solar nebula theory of Earth's origin, including how and why it came to be differentiated by composition.

Accepted Answer

In the solar nebula theory, gases and so

Question 15

The age of the universe is estimated by the:

Accepted Answer

A)  temperature of the universal background radiation. 
B)  age of comets formed in interstellar space. 
C)  rate at which galaxies are moving away from one another. 
D)  age of subatomic particles as determined by radioactive decay. 
A)  temperature of the universal background radiation. 
B)  age of comets formed in interstellar space. 
C)  rate at which galaxies are moving away from one another. 
D)  age of subatomic particles as determined by radioactive decay.

Question 16

The solar nebula theory of the formation of the solar system accounts for the differences in composition between the terrestrial and Jovian planets.

Accepted Answer

A) True 
 B)False

Question 17

Describe how the universe, galaxies, stars, and chemical elements formed.

Accepted Answer

Scientists believe that the universe ori

Question 18

How have natural resources been important in history? Provide an example of a situation in which natural resources have altered the course of history.

Accepted Answer

States, nations, and empires have risen

Question 19

Describe how temperature increases will occur in all global warming scenarios.

Accepted Answer

Average global temperature will rise eve

Question 20

The theory that all living organisms are descendants of different life forms that existed in the past is called:

Accepted Answer

A)  organic evolution. 
B)  paleontology. 
C)  plate tectonics. 
D)  natural selection. 
A)  organic evolution. 
B)  paleontology. 
C)  plate tectonics. 
D)  natural selection.

Briefly explain the importance of the geologic time scale.

What is the name of the method that is used to determine the absolute age of a rock body?

What does geology have to do with the standard of living that societies have?

Briefly explain with the help of a couple of examples how Earth behaves as a dynamic planet.

Many wars are fought over natural resources.

A hypothesis is

How do igneous rocks form?

The Big Bang took place approximately ____ years ago.

Physical geology is the study of ____________________.

Historical geology is the study of how geology is related to human history.

What is the greenhouse effect, and how does it work? What happens when greenhouse gas levels in the atmosphere increase?

Earth's core is probably:

The scientific theory for the origin of our solar system, involving the condensation and collapse of interstellar material in a spiral arm of the Milky Way galaxy, is the ____________________ theory.

Briefly explain the solar nebula theory of Earth's origin, including how and why it came to be differentiated by composition.

The age of the universe is estimated by the:

The solar nebula theory of the formation of the solar system accounts for the differences in composition between the terrestrial and Jovian planets.

Describe how the universe, galaxies, stars, and chemical elements formed.

How have natural resources been important in history? Provide an example of a situation in which natural resources have altered the course of history.

Describe how temperature increases will occur in all global warming scenarios.

The theory that all living organisms are descendants of different life forms that existed in the past is called:

Plate Tectonics: a Unifying Theory

Minerals: the Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Deformation, Mountain Building, and the Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Shorelines and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters

Exam 1: Understanding Earth: a Dynamic and Evolving Planet

Briefly explain the importance of the geologic time scale.

What is the name of the method that is used to determine the absolute age of a rock body?

What does geology have to do with the standard of living that societies have?

Briefly explain with the help of a couple of examples how Earth behaves as a dynamic planet.

Many wars are fought over natural resources.

A hypothesis is

How do igneous rocks form?

The Big Bang took place approximately ____ years ago.

Physical geology is the study of ____________________.

Historical geology is the study of how geology is related to human history.

What is the greenhouse effect, and how does it work? What happens when greenhouse gas levels in the atmosphere increase?

Earth's core is probably:

The scientific theory for the origin of our solar system, involving the condensation and collapse of interstellar material in a spiral arm of the Milky Way galaxy, is the ____________________ theory.

Briefly explain the solar nebula theory of Earth's origin, including how and why it came to be differentiated by composition.

The age of the universe is estimated by the:

The solar nebula theory of the formation of the solar system accounts for the differences in composition between the terrestrial and Jovian planets.

Describe how the universe, galaxies, stars, and chemical elements formed.

How have natural resources been important in history? Provide an example of a situation in which natural resources have altered the course of history.

Describe how temperature increases will occur in all global warming scenarios.

The theory that all living organisms are descendants of different life forms that existed in the past is called:

Plate Tectonics: a Unifying Theory

Minerals: the Building Blocks of Rocks

Igneous Rocks and Intrusive Igneous Activity

Volcanoes and Volcanism

Weathering, Soil, and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earths Interior

Deformation, Mountain Building, and the Continents

Mass Wasting

Running Water

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Shorelines and Shoreline Processes

Geologic Time: Concepts and Principles

Earth History

Life History

Filters