Question 1

In which of the following subsystems is Earth's magnetic field generated?

Accepted Answer

A) climate system 
B) hydrologic system 
C) geodynamo system 
D) plate tectonic system 
A) climate system 
B) hydrologic system 
C) geodynamo system 
D) plate tectonic system

Question 2

The densest part of Earth is the

Accepted Answer

A) oceanic crust. 
B) continental crust. 
C) mantle. 
D) core. 
A) oceanic crust. 
B) continental crust. 
C) mantle. 
D) core.

Question 3

A Danish seismologist was the first to discover

Accepted Answer

A) Earth's overall layering. 
B) the Moho. 
C) the two-part core. 
D) the core. 
A) Earth's overall layering. 
B) the Moho. 
C) the two-part core. 
D) the core.

Question 4

Solar energy energizes which of Earth's components?

Accepted Answer

A) atmosphere 
B) biosphere 
C) hydrosphere 
D) all of the above 
A) atmosphere 
B) biosphere 
C) hydrosphere 
D) all of the above

Question 5

Stony meteorites are similar in composition to Earth's

Accepted Answer

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

Question 6

Devices used to detect earthquakes are called

Accepted Answer

A) thermometers. 
B) vibraphones. 
C) seismometers. 
D) tilt meters. 
A) thermometers. 
B) vibraphones. 
C) seismometers. 
D) tilt meters.

Question 7

Large continental masses had formed on Earth by

Accepted Answer

A) 0.3 billion years ago. 
B) 2.5 billion years ago. 
C) 1.0 billion years ago. 
D) 4.0 billion years ago. 
A) 0.3 billion years ago. 
B) 2.5 billion years ago. 
C) 1.0 billion years ago. 
D) 4.0 billion years ago.

Question 8

Roughly how much extraterrestrial material falls on Earth annually?

Accepted Answer

A) a million tons 
B) a billion tons 
C) a thousand tons 
D) a few hundred tons 
A) a million tons 
B) a billion tons 
C) a thousand tons 
D) a few hundred tons

Question 9

Earth's major layers include (from outermost to innermost):

Accepted Answer

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

Question 10

What caused the mass extinctions 65 million years ago that ended the Age of Dinosaurs?

Accepted Answer

A) major bolide impact 
B) massive volcanic eruptions 
C) global glaciation 
D) all of the above 
A) major bolide impact 
B) massive volcanic eruptions 
C) global glaciation 
D) all of the above

Question 11

How many major mass extinction events have occurred throughout Earth's history?

Accepted Answer

A) 5 
B) 10 
C) 2 
D) 1 
A) 5 
B) 10 
C) 2 
D) 1

Question 12

What are the three geodynamic systems?

Accepted Answer

A) atmosphere,biosphere,geosphere 
B) the climate,the plate tectonic,the geodynamo systems 
C) lithosphere,asthenosphere,cryosphere 
D) atmosphere,hydrosphere,lithosphere 
A) atmosphere,biosphere,geosphere 
B) the climate,the plate tectonic,the geodynamo systems 
C) lithosphere,asthenosphere,cryosphere 
D) atmosphere,hydrosphere,lithosphere

Question 13

The largest topographic change relative to sea level on Earth is at

Accepted Answer

A) the Grand Canyon. 
B) Mount Mauna Loa. 
C) the Marianas Trench. 
D) Mount Everest. 
A) the Grand Canyon. 
B) Mount Mauna Loa. 
C) the Marianas Trench. 
D) Mount Everest.

Question 14

The average density of the bulk earth is most similar to that of

Accepted Answer

A) a stony meteorite (3.0 g/cc). 
B) a granite rock (2.7 g/cc). 
C) ice (0.9 g/cc). 
D) iron meteorite (8 g/cc). 
A) a stony meteorite (3.0 g/cc). 
B) a granite rock (2.7 g/cc). 
C) ice (0.9 g/cc). 
D) iron meteorite (8 g/cc).

Question 15

The three major global geosystems are

Accepted Answer

A) climate system,solar system,and geodynamo system. 
B) geodynamo system,plate tectonic system,and solar system. 
C) climate system,geodynamo system,and plate tectonic system. 
D) plate tectonic system,climate system,and solar system. 
A) climate system,solar system,and geodynamo system. 
B) geodynamo system,plate tectonic system,and solar system. 
C) climate system,geodynamo system,and plate tectonic system. 
D) plate tectonic system,climate system,and solar system.

In which of the following subsystems is Earth's magnetic field generated?

The densest part of Earth is the

A Danish seismologist was the first to discover

Solar energy energizes which of Earth's components?

Stony meteorites are similar in composition to Earth's

Devices used to detect earthquakes are called

Large continental masses had formed on Earth by

Roughly how much extraterrestrial material falls on Earth annually?

Earth's major layers include (from outermost to innermost):

What caused the mass extinctions 65 million years ago that ended the Age of Dinosaurs?

How many major mass extinction events have occurred throughout Earth's history?

What are the three geodynamic systems?

The largest topographic change relative to sea level on Earth is at

The average density of the bulk earth is most similar to that of

The three major global geosystems are

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters

Exam 1: The Earth System

In which of the following subsystems is Earth's magnetic field generated?

The densest part of Earth is the

A Danish seismologist was the first to discover

Solar energy energizes which of Earth's components?

Stony meteorites are similar in composition to Earth's

Devices used to detect earthquakes are called

Large continental masses had formed on Earth by

Roughly how much extraterrestrial material falls on Earth annually?

Earth's major layers include (from outermost to innermost):

What caused the mass extinctions 65 million years ago that ended the Age of Dinosaurs?

How many major mass extinction events have occurred throughout Earth's history?

What are the three geodynamic systems?

The largest topographic change relative to sea level on Earth is at

The average density of the bulk earth is most similar to that of

The three major global geosystems are

Plate Tectonics: The Unifying Theory

Earth Materials: Minerals and Rocks

Igneous Rocks: Solids From Melts

Sedimentation: Rocks Formed by Surface Processes

Metamorphism: Alteration of Rocks by Temperature and Pressure

Deformation: Modification of Rocks by Folding and Fracturing

Clocks in Rocks: Timing the Geologic Period

Early History of the Terrestrial Planets

History of the Continents

Geobiology: Life Interacts With Earth

Volcanoes

Earthquakes

Exploring Earths Interior

The Climate System

Weathering,erosion,and Mass Wasting: Interactions Between the Climate and Plate Tectonic Systems

The Hydrologic Cycle and Groundwater

Stream Transport: From Mountains to Oceans

Winds and Deserts

Coastlines and Ocean Basins

Glaciers: the Work of Ice

Landscapes: Tectonic and Climate Interaction

The Human Impact of Earths Environment

Filters