Question 1

What is the primary reason for the inside of Earth being hot?

Accepted Answer

A) No heat is being generated, but Earth's outer layers have prevented the escape of heat trapped during the planet's initial formation. 
B) The decay of radioactive elements is creating heat in Earth's inner layers. 
C) A nuclear process like that found in stars is at work in Earth's interior. 
D) Huge quantities of oil and natural gas occasionally burn deep within Earth. 
A) No heat is being generated, but Earth's outer layers have prevented the escape of heat trapped during the planet's initial formation. 
B) The decay of radioactive elements is creating heat in Earth's inner layers. 
C) A nuclear process like that found in stars is at work in Earth's interior. 
D) Huge quantities of oil and natural gas occasionally burn deep within Earth.

Question 2

Buoyancy is the ability of an object to float in a fluid by ____.

Accepted Answer

A) weighing less than the water surrounding it 
B) displacing a volume of water equal in weight to its own weight 
C) displacing a volume of water which weighs slightly more than its own weight 
D) displacing a volume of water which weighs slightly less than its own weight 
A) weighing less than the water surrounding it 
B) displacing a volume of water equal in weight to its own weight 
C) displacing a volume of water which weighs slightly more than its own weight 
D) displacing a volume of water which weighs slightly less than its own weight

Question 3

Which statement is true with regard to subduction zones?

Accepted Answer

A) They are also referred to as "hot spots." 
B) They are sites where lithospheric plates are diverging or pulling apart. 
C) They are marked by the presence of mid-ocean ridges. 
D) They are zones where old seafloor descends into the crust and mantle. 
A) They are also referred to as "hot spots." 
B) They are sites where lithospheric plates are diverging or pulling apart. 
C) They are marked by the presence of mid-ocean ridges. 
D) They are zones where old seafloor descends into the crust and mantle.

Question 4

The ____ accounts for 83% of Earth's volume.

Accepted Answer

A) mantle 
B) inner core 
C) crust 
D) outer core 
A) mantle 
B) inner core 
C) crust 
D) outer core

Question 5

What is plate convergence and what types of features are produced from convergence?

Accepted Answer

Plate convergence happens when lithosphe

What is the primary reason for the inside of Earth being hot?

Buoyancy is the ability of an object to float in a fluid by ____.

Which statement is true with regard to subduction zones?

The ____ accounts for 83% of Earth's volume.

What is plate convergence and what types of features are produced from convergence?

The Origin of the Ocean

A History of Marine Science

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters

Exam 3: Earth Structure and Plate Tectonics

What is the primary reason for the inside of Earth being hot?

Buoyancy is the ability of an object to float in a fluid by ____.

Which statement is true with regard to subduction zones?

The ____ accounts for 83% of Earth's volume.

What is plate convergence and what types of features are produced from convergence?

The Origin of the Ocean

A History of Marine Science

Ocean Basins

Ocean Sediments

Water

Atmospheric Circulation

Ocean Circulation

Waves

Tides

Coasts

Life in the Ocean

Pelagic Communities

Benthic Communities

Uses and Abuses of the Ocean

Filters