Question 1

The loss of two protons and two neutrons from the nucleus is:

Accepted Answer

A) alpha decay. 
B) beta decay. 
C) electron decay. 
D) electron capture. 
E) half-life decay. 
A) alpha decay. 
B) beta decay. 
C) electron decay. 
D) electron capture. 
E) half-life decay.

Question 2

What is the principle of fossil succession,and what is its importance? Who is credited with discovering it?

Accepted Answer

The principle of fossil succession state

Question 3

What is the principle of inclusions?

Accepted Answer

Inclusions or fragments of one

Question 4

The principle that states that an igneous intrusion or a fault is younger than the rocks that it intrudes or cuts is the principle of:

Accepted Answer

A) cross-cutting relationships. 
B) inclusions. 
C) fossil succession. 
D) uniformitarianism. 
E) superposition. 
A) cross-cutting relationships. 
B) inclusions. 
C) fossil succession. 
D) uniformitarianism. 
E) superposition.

Question 5

Sources of uncertainty in radioactive dating do not include:

Accepted Answer

A) loss of daughter isotope. 
B) uncertainty in decay constants. 
C) experimental and sample error. 
D) addition of parent isotope. 
E) questions about metamorphism. 
A) loss of daughter isotope. 
B) uncertainty in decay constants. 
C) experimental and sample error. 
D) addition of parent isotope. 
E) questions about metamorphism.

Question 6

The time equivalence of strata is determined by:

Accepted Answer

A) correlation of unusual lithologies. 
B) correlation of key beds. 
C) correlation of fossils. 
D) lateral tracing. 
E) superposition. 
A) correlation of unusual lithologies. 
B) correlation of key beds. 
C) correlation of fossils. 
D) lateral tracing. 
E) superposition.

Question 7

What is a closed system,and why is it necessary for a rock or mineral being dated to be a closed system? What is the result if it is not a closed system?

Accepted Answer

A closed system means that neither paren

Question 8

Potassium 40 decays to argon 40 by a single electron capture.

Accepted Answer

A) True 
 B)False

Question 9

What are the six fundamental geologic principles that are used in relative dating?

Accepted Answer

Superposition,original horizon

Question 10

____________________ dating is used to obtain absolute age dates.

Accepted Answer

The answer of ____________________ dating is used to obtain absolute...

Question 11

The half-life of a radioactive element is variable,but only within a small range.

Accepted Answer

A) True 
 B)False

Question 12

How does relative dating differ from absolute dating?

Accepted Answer

Relative dating involves placi

Question 13

Explain why correlation by fossils is necessary to demonstrate time equivalence of strata.

Accepted Answer

Each life form is in

Question 14

An interval of geologic time not represented by strata in a particular area is a(n)____________________.

Accepted Answer

The answer of An interval of geologic time not represented...

Question 15

The age of the Earth is:

Accepted Answer

A) 12.6 billion years. 
B) 12.6 million years. 
C) 4.6 billion years. 
D) 4.6 million years. 
E) 10,000 years. 
A) 12.6 billion years. 
B) 12.6 million years. 
C) 4.6 billion years. 
D) 4.6 million years. 
E) 10,000 years.

Question 16

After one half-life,____________________% of the radioactive parent atoms will have decayed to stable daughter atoms.

Accepted Answer

The answer of After one half-life,____________________% of the radioactive parent...

Question 17

What are the three types of radioactive decay?

Accepted Answer

Alpha decay-2 protons and 2 neutrons emi

Question 18

All of the long-lived parent-daughter isotope pairs that were present when Earth formed are still present in measurable quantities.

Accepted Answer

A) True 
 B)False

Question 19

When radiometric dating is applied to metamorphic rocks,the date obtained is:

Accepted Answer

A) the date of final crystallization of the magma. 
B) the date at which metamorphism began. 
C) a minimum age for the parent rock. 
D) the date at which metamorphism ceased. 
E) a maximum age for the daughter rock. 
A) the date of final crystallization of the magma. 
B) the date at which metamorphism began. 
C) a minimum age for the parent rock. 
D) the date at which metamorphism ceased. 
E) a maximum age for the daughter rock.

Question 20

Carbon 14 is best for dating fine-grained volcanic rocks.

Accepted Answer

A) True 
 B)False

The loss of two protons and two neutrons from the nucleus is:

What is the principle of fossil succession,and what is its importance? Who is credited with discovering it?

What is the principle of inclusions?

The principle that states that an igneous intrusion or a fault is younger than the rocks that it intrudes or cuts is the principle of:

Sources of uncertainty in radioactive dating do not include:

The time equivalence of strata is determined by:

What is a closed system,and why is it necessary for a rock or mineral being dated to be a closed system? What is the result if it is not a closed system?

Potassium 40 decays to argon 40 by a single electron capture.

What are the six fundamental geologic principles that are used in relative dating?

____________________ dating is used to obtain absolute age dates.

The half-life of a radioactive element is variable,but only within a small range.

How does relative dating differ from absolute dating?

Explain why correlation by fossils is necessary to demonstrate time equivalence of strata.

An interval of geologic time not represented by strata in a particular area is a(n)____________________.

The age of the Earth is:

After one half-life,____________________% of the radioactive parent atoms will have decayed to stable daughter atoms.

What are the three types of radioactive decay?

All of the long-lived parent-daughter isotope pairs that were present when Earth formed are still present in measurable quantities.

When radiometric dating is applied to metamorphic rocks,the date obtained is:

Carbon 14 is best for dating fine-grained volcanic rocks.

Understanding Earth: A Dynamic and Evolving Planet

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

Oceans, Shorelines, and Shoreline Processes

Earth History

Life History

Filters

Exam 16: Geologic Time: Concepts and Principles

The loss of two protons and two neutrons from the nucleus is:

What is the principle of fossil succession,and what is its importance? Who is credited with discovering it?

What is the principle of inclusions?

The principle that states that an igneous intrusion or a fault is younger than the rocks that it intrudes or cuts is the principle of:

Sources of uncertainty in radioactive dating do not include:

The time equivalence of strata is determined by:

What is a closed system,and why is it necessary for a rock or mineral being dated to be a closed system? What is the result if it is not a closed system?

Potassium 40 decays to argon 40 by a single electron capture.

What are the six fundamental geologic principles that are used in relative dating?

____________________ dating is used to obtain absolute age dates.

The half-life of a radioactive element is variable,but only within a small range.

How does relative dating differ from absolute dating?

Explain why correlation by fossils is necessary to demonstrate time equivalence of strata.

An interval of geologic time not represented by strata in a particular area is a(n)____________________.

The age of the Earth is:

After one half-life,____________________% of the radioactive parent atoms will have decayed to stable daughter atoms.

What are the three types of radioactive decay?

All of the long-lived parent-daughter isotope pairs that were present when Earth formed are still present in measurable quantities.

When radiometric dating is applied to metamorphic rocks,the date obtained is:

Carbon 14 is best for dating fine-grained volcanic rocks.

Understanding Earth: A Dynamic and Evolving Planet

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

Oceans, Shorelines, and Shoreline Processes

Earth History

Life History

Filters