Exam 1 Part 1

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Question #1

Asteroids will always be detected many years before they can collide with the Earth.

A True

B False

Question #2

All stars will go supernovae.

A False

B True

Question #3

S waves have a shadow zone because they cannot pass through certain layers of the Earth’s interior.

A False

B True

Question #4

Natural gas and oil are deposited in the ocean through the burial and heating of planktonic organic remains

A True

B False

Question #5

A quartz sandstone would most likely be deposited ______________.

A in the deep sea

B on the side slope of a mountain

C at the beach

D from a coral reef

Question #6

The point where an earthquake is generated is called the __________.

A focus

B magnitude

C fault scarp

D earthquake’s center

E epicenter

Question #7

Chalk forms due to the collection of?

A silica shells from ocean plankton in the deep sea

B calcite shells from ocean plankton in the shallow ocean

C calcite shells from ocean plankton in the deep sea

D quartz sand grains on the deep ocean floor

Question #8

Evaporites form in the ocean because of ______________.

A low salinity

B increased solar energy

C volcanism

D tide settings

E high salinity

Question #9

What type of rock is most likely to be found at a mid-ocean ridge?

A granite

B gypsum

C sandstone

D conglomerate

E basalt

F limestone

Question #10

Convection is the name of the process by which new seafloor is generated at mid-ocean ridges.

A False

B True

Question #11

________ waves travel through the Earth’s interior but cannot pass through those layers that are liquid.

A P

B Q

C L

D S

Question #12

Geographically speaking where can we generally find island arcs?

A Only in the northern hemisphere

B Along the edge of a continental plate on the landward side of a subduction zone

C Along the edge of the mid-ocean ridge

D Along the edge of a continental plate on the seaward side of a subduction zone

E Only in the southern hemisphere

Question #13

New oceanic crust is formed at ____________.

A Divergent boundaries by submarine eruptions and intrusions of basaltic magma

B Convergent boundaries by submarine eruptions and intrusions of basaltic magma

C Convergent boundaries by submarine eruptions and intrusions of rhyolitic magma

D Transform boundaries by submarine eruptions and intrusions of rhyolitic magma

E Divergent boundaries by submarine eruptions and intrusions of rhyolitic magma

F Transform boundaries by submarine eruptions and intrusions of basaltic magma

Question #14

At convergent plate boundaries, one would expect to find ______.

A earthquakes only

B earthquakes in all & volcanoes in some but not in all settings

C earthquakes & volcanoes at all settings

D volcanoes only

Question #15

Glacial deposits found 280 million year ago in India indicate __________.

A that glaciers are unpredictable and prone to occur anywhere on Earth

B all of the other choices

D the Sun used to generate much less heat at that time in Earth’s hostory

E that India used to be closer to the poles

F that the Earth was once much colder

Question #16

Ooze is classified by ___________.

A the shoreline it is found on

B the age it was deposited

C the ocean floor it is found on

D the color it is

E the position it is found in the ocean

F the type of life form that made it

Question #17

Which of the following islands were produced from hot spot activity?

A Sicily

B Greenland

C Hawaii

D Long Island

E Catalina

F Great Britain

Question #18

Which mineral is important for trapping carbon dioxide gas?

A biotite

B olivine

C quartz

D k-feldspar

E calcite

F muscovite

Question #19

Continental-continental collision will cause a change in mantle convection.

A False

B True

Question #20

Which layer of the Earth is molten?

A Outer core

B Mantle

C Crust

D Inner core

Question #21

Sedimentary rocks cannot record sea level changes.

A False

B True

Question #22

Rounding tell you how far sediments have traveled.

A True

B False

Question #23

S waves have a shadow zone because they cannot pass through certain layers of the Earth’s interior.

A True

B False

Question #24

S waves have a shadow zone because P waves bend as they pass through different rock layers.

A True

B False

Question #25

An important consequence of Pangaea’s breakup was the creation of Atlantic ocean basin.

A True

B False

Question #26

Convergent settings are places on the Earth’s crust where two plates collide with each other?

A False

B True

Question #27

Southern California represents a transform boundary.

A False

B True

Question #28

The tendency of water molecules to stick to each other is called?

A Thermostatic inertia

B Ablation

C Adhesion

D Cohesion

E Isostasy

F Absorption

Question #29

Trenches are only associated with convergent plate boundaries ________.

A False

B True

Question #30

The speed of seismic waves can be used to indicate the type of rock (i.e., seismic waves travel at different speeds through different rock types).

A False

B True

Question #31

In general, the smaller the clast size of a sedimentary grain then the closer it was deposited towards the land.

A True

B False

Question #32

Earthquakes depth is greater in a subduction zone when compared to a divergent boundary.

A True

B False

Question #33

The reason why the continental crust does not subduct is ____________.

A isostasy

B all of the other choices

C temperature of the continental crust compared to the mantle

D magnetism

Question #34

Mountains cannot be formed in convergent boundary settings.

A False

B True

Question #35

Which is not a type of plate margin?

A divergent

B consequent

C transform

D convergent

Question #36

The oldest rocks in the Atlantic Ocean are found:

A off the coast of Iceland

B directly off the coast of Morocco and the eastern United States

C at the spreading ridge

D at the subducting trench off Morocco

Question #37

Hutton’s phrase, “(The) present is the key to the past.” relates to:

A uniformitarianism

B plate tectonics

C anthropology

D catastrophism

Question #38

The layer below the lithosphere is the ______________________________.

A outer core

B the inner core

C asthenosphere

D mantle

Question #39

The first scientific voyage to explore the ocean floor for scientific research was ___________.

A H. M. S. Beagle

B U. S. S. Constitution

C H.M.S. Challenger

D U.S. S. Exploring Expedition

Question #40

When compared to the oldest rocks continental, the oldest rocks on the ocean floor are:

A slightly older

B from the same age

C significantly older

D significantly younger

Question #41

Ancient Greek mathematicians proved that the Earth was round.

A True

B False

Question #42

Internal heat reaches the Earth’s surface by:

A mainly conduction

B equal amounts of convection and conduction

C mainly convection

D the geothermal gradient

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