Question 1

What are the three possible explanations for the distribution of paleomagnetic data?

Accepted Answer

(1)The continent remained fixe

Question 2

Volcanic island chains that form along the trace of a hot spot are called aseismic ridges.

Accepted Answer

A) True 
 B)False

Question 3

What is the driving mechanism for plate tectonics?

Accepted Answer

A)  heat deep within the Earth 
B)  tidal forces caused by the moon 
C)  volcanoes and earthquakes at plate boundaries 
D)  a little man with a steering wheel in Tierra del Fuego 
E)  none of these 
A)  heat deep within the Earth 
B)  tidal forces caused by the moon 
C)  volcanoes and earthquakes at plate boundaries 
D)  a little man with a steering wheel in Tierra del Fuego 
E)  none of these

Question 4

Geologists know that oceanic ridges are geologically very active because they ____.

Accepted Answer

A)  have high heat flow 
B)  have many small earthquakes 
C)  are the site of recent volcanic eruptions 
D)  have many small earthquakes and are the site of recent volcanic eruptions 
E)  all of these 
A)  have high heat flow 
B)  have many small earthquakes 
C)  are the site of recent volcanic eruptions 
D)  have many small earthquakes and are the site of recent volcanic eruptions 
E)  all of these

Question 5

Why is plate tectonic theory so widely accepted?

Accepted Answer

Plate tectonic theory is suppo

Question 6

Where divergent plate boundaries form beneath continental masses,low areas known as ____________________ form.

Accepted Answer

The answer of Where divergent plate boundaries form beneath continental...

Question 7

At deep sea trenches,____________________ is subducted back into the ____________________.

Accepted Answer

The answer of At deep sea trenches,____________________ is subducted back...

Question 8

The study of paleomagnetism is possible because ____.

Accepted Answer

A)  the magnetic minerals in rocks create the Earth's magnetic field 
B)  most rocks contain no magnetic minerals 
C)  the magnetic minerals in rocks disrupt the Earth's magnetic field 
D)  the magnetic minerals in a cooling lava point toward the north magnetic pole 
E)  none of these 
A)  the magnetic minerals in rocks create the Earth's magnetic field 
B)  most rocks contain no magnetic minerals 
C)  the magnetic minerals in rocks disrupt the Earth's magnetic field 
D)  the magnetic minerals in a cooling lava point toward the north magnetic pole 
E)  none of these

What are the three possible explanations for the distribution of paleomagnetic data?

Volcanic island chains that form along the trace of a hot spot are called aseismic ridges.

What is the driving mechanism for plate tectonics?

Geologists know that oceanic ridges are geologically very active because they ____.

Why is plate tectonic theory so widely accepted?

Where divergent plate boundaries form beneath continental masses,low areas known as ____________________ form.

At deep sea trenches, is subducted back into the .

The study of paleomagnetism is possible because ____.

Understanding Earth: A Dynamic and Evolving Planet

Minerals The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earth's Interior

Deformation,Mountain Building,and Earth's Crust

Mass Wasting

Running Water Streams and Rivers

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Organic Evolution The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Earth History

Paleozoic Life History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

Geology in Perspective

Filters

Exam 2: Plate Tectonics: A Unifying Theory

What are the three possible explanations for the distribution of paleomagnetic data?

Volcanic island chains that form along the trace of a hot spot are called aseismic ridges.

What is the driving mechanism for plate tectonics?

Geologists know that oceanic ridges are geologically very active because they ____.

Why is plate tectonic theory so widely accepted?

Where divergent plate boundaries form beneath continental masses,low areas known as ____________________ form.

At deep sea trenches,____________________ is subducted back into the ____________________.

The study of paleomagnetism is possible because ____.

Understanding Earth: A Dynamic and Evolving Planet

Minerals The Building Blocks of Rocks

Igneous Rocks and Plutons

Volcanoes and Volcanism

Weathering, Erosion, and Soil

Sediment and Sedimentary Rocks

Metamorphism and Metamorphic Rocks

Earthquakes and Earth's Interior

Deformation,Mountain Building,and Earth's Crust

Mass Wasting

Running Water Streams and Rivers

Groundwater

Glaciers and Glaciation

The Work of Wind and Deserts

Oceans, Shorelines, and Shoreline Processes

Geologic Time: Concepts and Principles

Organic Evolution The Theory and Its Supporting Evidence

Precambrian Earth and Life History

Paleozoic Earth History

Paleozoic Life History

Mesozoic Earth and Life History

Cenozoic Earth and Life History

Geology in Perspective

Filters

At deep sea trenches, is subducted back into the .