Question 1

The loss of an electron from a neutron in the nucleus is called:

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

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 3

What does half-life measure?

Accepted Answer

The amount of time it takes fo

Question 4

How does relative dating differ from absolute dating?

Accepted Answer

Relative dating involves placi

Question 5

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...

Question 6

What do unconformities represent?

Accepted Answer

Unconformities represent missing time; t

Question 7

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

Accepted Answer

Superposition, original horizo

Question 8

Why do igneous rocks yield the most accurate radiometric ages, what does the calculated numerical date represent?

Accepted Answer

As magma cools and begins to crystallize

Question 9

A clast of granite taken from a conglomerate is determined by radiometric dating to be one hundred million years old. What, if anything, does this tell you about the age of the conglomerate?

Accepted Answer

The sedimentary rock

Question 10

Carbon 14 is especially useful in dating archeological samples.

Accepted Answer

A) True 
 B)False

Question 11

When a stalagmite has an oxygen-18 to ____________________ ratio that is low, the climate at the time the stalagmite formed was relatively ____________________

Accepted Answer

The answer of When a stalagmite has an oxygen-18 to...

Question 12

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 13

Whose work was the basis for the principle of uniformitarianism and the unavoidable necessity of a great age for Earth?

Accepted Answer

A)  Charles Lyell 
B)  William Smith 
C)  James Hutton 
D)  Lord Kelvin 
E)  John Joly 
A)  Charles Lyell 
B)  William Smith 
C)  James Hutton 
D)  Lord Kelvin 
E)  John Joly

Question 14

What fact makes radiocarbon dating possible?

Accepted Answer

Life forms stop accu

Question 15

Fragments of a rock that are contained in a layer of another rock must be ____________________ in age than the layer of rock that surrounds them.

Accepted Answer

The answer of Fragments of a rock that are contained...

Question 16

Carbon-14 dating is based on the ratio of the parent isotope ____________________ to the daughter isotope ____________________.

Accepted Answer

carbon 14,

Question 17

If you start with an element with 1,000,000 parent atoms, how many parent (P) and how many daughter (D) atoms will there be after 6 half-lives?

Accepted Answer

0: P = 1,000,000, D = 0; 
1 half-life: P

Question 18

What criteria are used to correlate rock units in different areas?

Accepted Answer

Similar lithology, p

Question 19

Concurrent range zones are used in fossil correlation because most fossils:

Accepted Answer

A)  have long geologic ranges. 
B)  are very rare. 
C)  are geographically restricted. 
D)  are not common. 
E)  are not well preserved. 
A)  have long geologic ranges. 
B)  are very rare. 
C)  are geographically restricted. 
D)  are not common. 
E)  are not well preserved.

Question 20

Ancient igneous intrusive, lunar samples, and some meteorites are dated by uranium-lead and thorium-lead series isotopes. 
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EN-US;mso-bidi-language:AR-SA;">Ancient igneous intrusive, lunar samples, and some meteorites are dated by uranium-lead and thorium-lead series isotope

Accepted Answer

A) True 
 B)False

The loss of an electron from a neutron in the nucleus is called:

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

What does half-life measure?

How does relative dating differ from absolute dating?

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

What do unconformities represent?

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

Why do igneous rocks yield the most accurate radiometric ages, what does the calculated numerical date represent?

A clast of granite taken from a conglomerate is determined by radiometric dating to be one hundred million years old. What, if anything, does this tell you about the age of the conglomerate?

Carbon 14 is especially useful in dating archeological samples.

When a stalagmite has an oxygen-18 to ratio that is low, the climate at the time the stalagmite formed was relatively

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:

Whose work was the basis for the principle of uniformitarianism and the unavoidable necessity of a great age for Earth?

What fact makes radiocarbon dating possible?

Fragments of a rock that are contained in a layer of another rock must be ____________________ in age than the layer of rock that surrounds them.

Carbon-14 dating is based on the ratio of the parent isotope to the daughter isotope .

If you start with an element with 1,000,000 parent atoms, how many parent (P) and how many daughter (D) atoms will there be after 6 half-lives?

What criteria are used to correlate rock units in different areas?

Concurrent range zones are used in fossil correlation because most fossils:

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

Shorelines and Shoreline Processes

Earth History

Life History

Filters

Exam 16: Geologic Time: Concepts and Principles

The loss of an electron from a neutron in the nucleus is called:

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

What does half-life measure?

How does relative dating differ from absolute dating?

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

What do unconformities represent?

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

Why do igneous rocks yield the most accurate radiometric ages, what does the calculated numerical date represent?

A clast of granite taken from a conglomerate is determined by radiometric dating to be one hundred million years old. What, if anything, does this tell you about the age of the conglomerate?

Carbon 14 is especially useful in dating archeological samples.

When a stalagmite has an oxygen-18 to ____________________ ratio that is low, the climate at the time the stalagmite formed was relatively ____________________

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:

Whose work was the basis for the principle of uniformitarianism and the unavoidable necessity of a great age for Earth?

What fact makes radiocarbon dating possible?

Fragments of a rock that are contained in a layer of another rock must be ____________________ in age than the layer of rock that surrounds them.

Carbon-14 dating is based on the ratio of the parent isotope ____________________ to the daughter isotope ____________________.

If you start with an element with 1,000,000 parent atoms, how many parent (P) and how many daughter (D) atoms will there be after 6 half-lives?

What criteria are used to correlate rock units in different areas?

Concurrent range zones are used in fossil correlation because most fossils:

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

Shorelines and Shoreline Processes

Earth History

Life History

Filters

When a stalagmite has an oxygen-18 to ratio that is low, the climate at the time the stalagmite formed was relatively

Carbon-14 dating is based on the ratio of the parent isotope to the daughter isotope .