Question 1

Not all scientific hypotheses require real world observations.Some are tested through computer modeling or some other non-direct observations.

Accepted Answer

A) True 
 B)False

Question 2

protosun Oort cloud planetesimals meteorites

Accepted Answer

The answer of protosun Oort cloud planetesimals meteorites...

Question 3

Subduction zones are downgoing convection cells in the earth but only carry oceanic material into the mantle.

Accepted Answer

A) True 
 B)False

Question 4

Light elements like hydrogen and helium form a large percentage of the outer planets and Sun is made up primarily of hydrogen.Why are these elements nearly absent from the inner planets?

Accepted Answer

A) The Sun captured all of the hydrogen during its formation. 
B) These light elements are blown away from the inner planets by the solar wind. 
C) It is a mystery that has never been solved by science. 
D) Hydrogen and helium have all been bound up by chemical reactions on the inner planets and are held in rock. 
A) The Sun captured all of the hydrogen during its formation. 
B) These light elements are blown away from the inner planets by the solar wind. 
C) It is a mystery that has never been solved by science. 
D) Hydrogen and helium have all been bound up by chemical reactions on the inner planets and are held in rock.

Question 5

Ocean crust is denser than continental crust because ocean crust is ________.

Accepted Answer

A) composed primarily of basalt 
B) composed primarily of granite 
C) thicker than continental crust 
D) thinner than continental crust 
A) composed primarily of basalt 
B) composed primarily of granite 
C) thicker than continental crust 
D) thinner than continental crust

Question 6

Deep ocean trenches typically are not located adjacent to ________.

Accepted Answer

A) transform plate boundaries 
B) volcanic island arc chains 
C) young continental mountains 
D) abyssal plains 
A) transform plate boundaries 
B) volcanic island arc chains 
C) young continental mountains 
D) abyssal plains

Question 7

mountain belt shield continental interior stable platform

Accepted Answer

The answer of mountain belt shield continental interior stable platform...

Question 8

The ________ is the thinnest layer of the earth.

Accepted Answer

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

Question 9

Climate change is a well-known human problem and remains controversial despite widespread scientific agreement on the issue.Although most scientists are familiar with the issues,if you were a congressman and wanted an informed analysis of the problem,which of the following would be most likely to give you the most complete analysis?

Accepted Answer

A) an astronomer 
B) a meteorologist with knowledge of oceanography 
C) a geologist with knowledge of astronomy 
D) a physicist 
A) an astronomer 
B) a meteorologist with knowledge of oceanography 
C) a geologist with knowledge of astronomy 
D) a physicist

Question 10

The waterline where the ocean meets the land is the boundary between oceanic crust and continental crust.

Accepted Answer

A) True 
 B)False

Question 11

Hurricanes are natural disasters.Which branch of the Earth sciences studies the impact of this phenomenon on coastal environments?

Accepted Answer

A) Meteorology 
B) Geology 
C) Oceanography 
D) Astronomy 
A) Meteorology 
B) Geology 
C) Oceanography 
D) Astronomy

Question 12

Internally,the earth consists of spherical shells with different compositions and densities.

Accepted Answer

A) True 
 B)False

Question 13

The earth's core is entirely molten iron and convection of this molten mass generates the earth's magnetic field.

Accepted Answer

A) True 
 B)False

Question 14

Continental shields and platforms represent ________.

Accepted Answer

A) sites where continents collide,analogous to warriors clashing shields 
B) names given to Paleozoic mountain belts 
C) sedimentary basins with inland seas shaped like a shield,like Hudson's bay 
D) areas in the interior of continents that have not experienced mountain building for billions of years 
A) sites where continents collide,analogous to warriors clashing shields 
B) names given to Paleozoic mountain belts 
C) sedimentary basins with inland seas shaped like a shield,like Hudson's bay 
D) areas in the interior of continents that have not experienced mountain building for billions of years

Question 15

Oceanic crust is generated at ________.

Accepted Answer

A) hot spots on the sea floor,like Iceland 
B) spreading ridges 
C) convergent plate margins 
D) transform plate margins 
A) hot spots on the sea floor,like Iceland 
B) spreading ridges 
C) convergent plate margins 
D) transform plate margins

Question 16

Which of the following layers in the earth has the highest density?

Accepted Answer

A) Lithosphere 
B) Asthenosphere 
C) Lower mantle 
D) Outer Core 
A) Lithosphere 
B) Asthenosphere 
C) Lower mantle 
D) Outer Core

Question 17

What two chemical elements are most abundant in the deep interior of the earth?

Accepted Answer

A) iron and magnesium 
B) magnesium and oxygen 
C) hydrogen and helium 
D) silicon and oxygen 
A) iron and magnesium 
B) magnesium and oxygen 
C) hydrogen and helium 
D) silicon and oxygen

Question 18

Internally,the earth consists of spherical shells with different compositions and densities.

Accepted Answer

A) True 
 B)False

Question 19

The formation of the solar system from a huge cloud of gases and dispersed particles is known as the solar galactic hypothesis.

Accepted Answer

A) True 
 B)False

Question 20

A scientific theory is the first step in developing an idea.It is not very well tested.

Accepted Answer

A) True 
 B)False

Exam 1: Introduction to Earth Science

Not all scientific hypotheses require real world observations.Some are tested through computer modeling or some other non-direct observations.

protosun Oort cloud planetesimals meteorites

Subduction zones are downgoing convection cells in the earth but only carry oceanic material into the mantle.

Light elements like hydrogen and helium form a large percentage of the outer planets and Sun is made up primarily of hydrogen.Why are these elements nearly absent from the inner planets?

Ocean crust is denser than continental crust because ocean crust is ________.

Deep ocean trenches typically are not located adjacent to ________.

mountain belt shield continental interior stable platform

The ________ is the thinnest layer of the earth.

The waterline where the ocean meets the land is the boundary between oceanic crust and continental crust.

Hurricanes are natural disasters.Which branch of the Earth sciences studies the impact of this phenomenon on coastal environments?

Internally,the earth consists of spherical shells with different compositions and densities.

The earth's core is entirely molten iron and convection of this molten mass generates the earth's magnetic field.

Continental shields and platforms represent ________.

Oceanic crust is generated at ________.

Which of the following layers in the earth has the highest density?

What two chemical elements are most abundant in the deep interior of the earth?

Internally,the earth consists of spherical shells with different compositions and densities.

The formation of the solar system from a huge cloud of gases and dispersed particles is known as the solar galactic hypothesis.

A scientific theory is the first step in developing an idea.It is not very well tested.

Matter and Minerals

Rocks: Materials of the Solid Earth

Weathering, soil, and Mass Wasting

Running Water and Groundwater

Glaciers, deserts, and Wind

Plate Tectonics: a Scientific Revolution Unfolds

Earthquakes and Earths Interior

Volcanoes and Other Igneous Activity

Crustal Deformation and Mountain Building

Geologic Time

Earths Evolution Through Geologic Time

The Ocean Floor

Ocean Water and Ocean Life

The Dynamic Ocean

The Atmosphere: Composition,structure,and Temperature

Moisture, clouds, and Precipitation

Air Pressure and Wind

Weather Patterns and Severe Weather

World Climates and Global Climate Change

Origin of Modern Astronomy

Touring Our Solar System

Light,astronomical Observations,and the Sun

Beyond Our Solar System

Filters