Question 1

On average,Earth's lithosphere is approximately ____ km thick.

Accepted Answer

A) 4 
B) 20 
C) 100 
D) 500 
A) 4 
B) 20 
C) 100 
D) 500 C

Question 2

The lithosphere is composed of =

Accepted Answer

A) uppermost crust. 
B) lowermost crust. 
C) crust and upper mantle. 
D) mantle. 
A) uppermost crust. 
B) lowermost crust. 
C) crust and upper mantle. 
D) mantle. C

Question 3

A scientific hypothesis that stands repeated testing can be elevated to a scientific

Accepted Answer

A) model. 
B) fact. 
C) theory. 
D) idea. 
A) model. 
B) fact. 
C) theory. 
D) idea. C

Question 4

Which of the following is not an integral part of the scientific method?

Accepted Answer

A) experimentation 
B) observation 
C) belief 
D) criticism 
A) experimentation 
B) observation 
C) belief 
D) criticism

Question 5

What powers Earth's external heat engine?

Accepted Answer

A) gravitational energy 
B) radioactive decay 
C) solar energy 
D) tidal forces 
A) gravitational energy 
B) radioactive decay 
C) solar energy 
D) tidal forces

Question 6

Solar energy energizes all of the following major components of Earth system,except the

Accepted Answer

A) atmosphere. 
B) biosphere. 
C) hydrosphere. 
D) lithosphere. 
A) atmosphere. 
B) biosphere. 
C) hydrosphere. 
D) lithosphere.

Question 7

Which scientist may have been the first to discover that the core consisted of two parts?

Accepted Answer

A) German Emil Wiechert 
B) Englishman Henry Cavendish 
C) German-American Beno Gutenberg 
D) Dane Inge Lehman 
A) German Emil Wiechert 
B) Englishman Henry Cavendish 
C) German-American Beno Gutenberg 
D) Dane Inge Lehman

Question 8

The idea that Earth is a sphere is an example of a scientific

Accepted Answer

A) fact. 
B) hypothesis. 
C) theory. 
D) dogma. 
A) fact. 
B) hypothesis. 
C) theory. 
D) dogma.

Question 9

Which of the following makes up the bulk of Earth?

Accepted Answer

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

Question 10

The highest topographic point above sea level on Earth is at

Accepted Answer

A) Mount Himalaya. 
B) Mount Mauna Loa. 
C) Mount Marianas. 
D) Mount Everest. 
A) Mount Himalaya. 
B) Mount Mauna Loa. 
C) Mount Marianas. 
D) Mount Everest.

Question 11

What geologic feature most directly connects the plate tectonic and climate systems?

Accepted Answer

A) earthquakes 
B) volcanic activity 
C) earth's magnetism 
D) the oceans 
A) earthquakes 
B) volcanic activity 
C) earth's magnetism 
D) the oceans

Question 12

Elevation of the ground surface is measured relative to

Accepted Answer

A) Mount Everest. 
B) the equator. 
C) sea level. 
D) the north pole. 
A) Mount Everest. 
B) the equator. 
C) sea level. 
D) the north pole.

Question 13

Which of the following statements about the scientific method is false?

Accepted Answer

A) A scientific theory is never considered finally proved. 
B) Data used to generate a hypothesis may come from observations,experiments,and chance findings. 
C) A theory that has accumulated a substantial body of experimental support is called a hypothesis. 
D) A scientific model represents some aspect of nature based on a set of hypotheses and theories. 
A) A scientific theory is never considered finally proved. 
B) Data used to generate a hypothesis may come from observations,experiments,and chance findings. 
C) A theory that has accumulated a substantial body of experimental support is called a hypothesis. 
D) A scientific model represents some aspect of nature based on a set of hypotheses and theories.

Question 14

Which of the following of Earth's layers contains the greatest amount of sulfur?

Accepted Answer

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

Question 15

According to Wiechert's hypothesis,the chemical layering of Earth is mainly due to

Accepted Answer

A) its size. 
B) gravity. 
C) magnetism. 
D) its mass. 
A) its size. 
B) gravity. 
C) magnetism. 
D) its mass.

Question 16

What are the plates of plate tectonics made up of?

Accepted Answer

A) asthenosphere 
B) crust 
C) lithosphere 
D) mantle 
A) asthenosphere 
B) crust 
C) lithosphere 
D) mantle

Question 17

The first appearance of Homo sapiens on Earth occurred in

Accepted Answer

A) 16 Ma. 
B) 0.16 Ma. 
C) 1.6 Ma. 
D) 1600 Ma. 
A) 16 Ma. 
B) 0.16 Ma. 
C) 1.6 Ma. 
D) 1600 Ma.

Question 18

The inner core is solid relative to the outer core because of

Accepted Answer

A) an increase in temperature with depth. 
B) a decrease in temperature with depth. 
C) an increase in pressure with depth. 
D) a decrease in pressure with depth. 
A) an increase in temperature with depth. 
B) a decrease in temperature with depth. 
C) an increase in pressure with depth. 
D) a decrease in pressure with depth.

Question 19

Which of the following of Earth's layers contains the least amount of iron?

Accepted Answer

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

Question 20

According to the principle of uniformitarianism,

Accepted Answer

A) geologic processes we observe today have operated in the past. 
B) animals evolved at a uniform rate. 
C) all of the planets formed from a uniform solar nebula. 
D) early Earth was covered by a uniform magma ocean. 
A) geologic processes we observe today have operated in the past. 
B) animals evolved at a uniform rate. 
C) all of the planets formed from a uniform solar nebula. 
D) early Earth was covered by a uniform magma ocean.

Exam 1: The Earth System

On average,Earth's lithosphere is approximately ____ km thick.

The lithosphere is composed of =

A scientific hypothesis that stands repeated testing can be elevated to a scientific

Which of the following is not an integral part of the scientific method?

What powers Earth's external heat engine?

Solar energy energizes all of the following major components of Earth system,except the

Which scientist may have been the first to discover that the core consisted of two parts?

The idea that Earth is a sphere is an example of a scientific

Which of the following makes up the bulk of Earth?

The highest topographic point above sea level on Earth is at

What geologic feature most directly connects the plate tectonic and climate systems?

Elevation of the ground surface is measured relative to

Which of the following statements about the scientific method is false?

Which of the following of Earth's layers contains the greatest amount of sulfur?

According to Wiechert's hypothesis,the chemical layering of Earth is mainly due to

What are the plates of plate tectonics made up of?

The first appearance of Homo sapiens on Earth occurred in

The inner core is solid relative to the outer core because of

Which of the following of Earth's layers contains the least amount of iron?

According to the principle of uniformitarianism,

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

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