Question 1

The increasing percentage of heavier elements in the universe results from nuclear fusion during the evolution of ____________________.

Accepted Answer

stars

Question 2

Rocks that form from the crystallization of lava or magma are ____________________ rocks.

Accepted Answer

igneous

Question 3

What comprises the ocean crust?

Accepted Answer

A)  sedimentary rocks
B)  peridotite
C)  igneous rocks
D)  metamorphic rocks
E)  granite C

Question 4

What are Earth's six principal subsystems?

Accepted Answer

The answer of What are Earth's six principal subsystems?...

Question 5

Geologists use the Principle of Uniformitarianism as a basis to interpret the past and predict the future.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is a characteristic of the asthenosphere?

Accepted Answer

A)  It lies beneath the lithosphere.
B)  It is a rigid rock layer.
C)  It is broken into plates.
D)  It is more dense than the core.
E)  It comprises the lower mantle.

Question 7

Tentative explanations that are formulated to explain observed phenomena are known as ____.

Accepted Answer

A)  tautologies
B)  theories
C)  conjectures
D)  perspectives
E)  hypotheses

Question 8

What unifying theory of geology holds that large segments of Earth's outer part move relative to one another?

Accepted Answer

A)  lithospheric zone theory
B)  convection cell theory
C)  subduction zone theory
D)  plate cycle theory
E)  plate tectonic theory

Question 9

Natural selection refers to the ability of organisms to choose the habitat in which they feel most comfortable.

Accepted Answer

A) True 
 B)False

Question 10

Which basic force is responsible for the breakdown of an atom's nucleus, thereby producing radioactive decay?

Accepted Answer

A)  electromagnetic
B)  weak nuclear
C)  strong nuclear
D)  molecular affinity
E)  interstitial

Question 11

The principle of uniformitarianism is based on the idea that modern processes have operated throughout geologic time.

Accepted Answer

A) True 
 B)False

Question 12

According to the theory of creation, all living organisms are related and they descended, with some modifications, from organisms that lived in the past.

Accepted Answer

A) True 
 B)False

Question 13

The geologic time scale was first developed in the 19th century using radiometric-dating techniques.

Accepted Answer

A) True 
 B)False

Question 14

At the moment of the Big Bang, ____.

Accepted Answer

A)  all matter and energy were compressed into an infinitely small high-temperature and high-density state
B)  all matter and energy were infinitely expanded to populate the exact size of the universe
C)  the universe was entirely made of infinitely dense matter, because energy had not yet come into existence
D)  the universe in existence up to that point collapsed and inverted to became the current universe
E)  all of the chemical elements seen in the universe today were forged into existence

Question 15

The study of the origin, evolution, and nature of the universe is _______________.

Accepted Answer

The answer of The study of the origin, evolution, and...

Question 16

What three general characteristics account for the density differences among the concentric layers of Earth?

Accepted Answer

The answer of What three general characteristics account for the...

Question 17

What theory has the central thesis that all present-day organisms are related and that they have descended with modifications from organisms that lived in the past?

Accepted Answer

A)  theory of relativism
B)  best-fit theory
C)  theory of organic evolution
D)  unifying theory
E)  theory of uniformitarianism

Question 18

Explain the connection between the rock cycle and plate tectonics.

Accepted Answer

The answer of Explain the connection between the rock cycle...

Question 19

The crust and the underlying uppermost mantle make up the ____________________.

Accepted Answer

The answer of The crust and the underlying uppermost mantle...

Question 20

Earth's core is likely to be ____.

Accepted Answer

A)  composed of rock with high silica content
B)  hollow
C)  molten throughout
D)  composed of potassium and aluminum rich silicates
E)  composed primarily of iron

Exam 1: Understanding Earth: a Dynamic and Evolving Planet

The increasing percentage of heavier elements in the universe results from nuclear fusion during the evolution of ____________________.

Rocks that form from the crystallization of lava or magma are ____________________ rocks.

What comprises the ocean crust?

What are Earth's six principal subsystems?

Geologists use the Principle of Uniformitarianism as a basis to interpret the past and predict the future.

Which of the following is a characteristic of the asthenosphere?

Tentative explanations that are formulated to explain observed phenomena are known as ____.

What unifying theory of geology holds that large segments of Earth's outer part move relative to one another?

Natural selection refers to the ability of organisms to choose the habitat in which they feel most comfortable.

Which basic force is responsible for the breakdown of an atom's nucleus, thereby producing radioactive decay?

The principle of uniformitarianism is based on the idea that modern processes have operated throughout geologic time.

According to the theory of creation, all living organisms are related and they descended, with some modifications, from organisms that lived in the past.

The geologic time scale was first developed in the 19^th century using radiometric-dating techniques.

At the moment of the Big Bang, ____.

The study of the origin, evolution, and nature of the universe is _______________.

What three general characteristics account for the density differences among the concentric layers of Earth?

What theory has the central thesis that all present-day organisms are related and that they have descended with modifications from organisms that lived in the past?

Explain the connection between the rock cycle and plate tectonics.

The crust and the underlying uppermost mantle make up the ____________________.

Earth's core is likely to be ____.