Question 1 The composition of Earth’s mantle is __________________? peridotite .gabbro and granite iron and aluminium iron & nickel Question 2 The Earth’s lithosphere is composed of ____

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Question 1

The composition of Earth’s mantle is __________________?  peridotite

.gabbro and granite

iron and aluminium

iron & nickel

Question 2

The Earth’s lithosphere is composed of ________________?

the crust and upper mantle, both of which are liquid

the crust and upper mantle, both of which are solid

the upper and lower mantle, both of which are solid

the lower mantle and core, both of which are liquid

Question 3

Which of the following statements is NOT true about the earth’s crust?

The most common rocks which constitute the crust are granite and basalt.

The crust and the upper mantle make up the asthenosphere.

The thickness of the crust is between 0-100 kms.

The crust lies on top of the mantle.

Question 4

Which of the followings is NOT among the most prominent features on earth?

Cratonic shield

Mountain belts

Rivers

Deep Oceanic Trench

Mid-oceanic ridge

Question 5

What is the typical rate of seafloor spreading?

60 to 80 centimeters per year

1 to 10 centimeters per year

11 to 15 centimeters per year

1/100 to 1/10 centimeters per year

Question 6

Examples of volcanic islands formed in conjunction with oceanic-oceanic convergent plate collisions include ____________?

the Alps and the Himalayas

Japan and the Sierra Nevadas

Japan and the Aleutian Islands

the Phillipines and the Alps

Question 7

Most transform plate boundaries (faults) occur ________________?

along the mid-ocean ridge system

in Japan

in the Appalachians

in the middle of continents

Question 8

If new crust is indeed being produced at the rifts, where does the additional older crust go?

It is lost through subduction.

It becomes oceanic crust.

It becomes continental crust.

It is lost through seafloor spreading.

Question 9

When the India Plate and the Eurasian Plate collided, which mountain range was formed?

Rocky

Himalaya

Alps

Appalachian

Question 10

Which of the following items is NOT indicated by MAGNETIC MINERALS in the Earth’s crust

the direction to Earth’s magnetic poles

the amount of iron in the crust when the mineral formed

the latitude at which the mineral formed

the distance to the Earth’s North or South Pole when the mineral form

Question 11

Most of Earth’s volcanoes are located in the _______________ around the Pacific Rim just beyond the oceanic trenches, where magma, which is less dense than the surrounding rock, rises to the surface and erupts.

Ring of Ice

Ring of Water

Ring of Fire

Ring of Steam

Question 12

The only layer of the earth’s interior that is liquid is the

Mantle

Outer Core

Inner Core

Crust

Question 13

The eastern margins of North and South America and western margins of Europe and Asia are called ___________________ margins because there is no subduction taking place.

active

transform

passive

east

question 14

When an ocean plate converges with another plate, what is created on the seafloor at the line of convergence?

magetic reversal

trench

mountains

sea monsters

Question 15

Which fold belt mountain formed from the collision between the Indian plate and the Asian plate?

Appalachian Range

Himalaya Range

Karakoram Range

Scenic Mountain

Question 16

The strongest objection to Wegener’s continental drift theory was ____?

the man who proposed it was German and hence did not publish in English

the theory did not explain where North America was during the late Paleozoic

the theory required all continents to be covered with ice

the theory provided no mechanism by which the continents moved around

Question 17

What two land masses were split apart along the Red Sea rift zone?

Africa and Europe

North America and Europe

North America and South America

Africa and the Arabian Peninsula

Question 18

Convergent plate boundaries are places at which _____________?

crust is destoryed

crust is conserved (neither created nor destroyed)

crust turns black

new crust is created (constructed)

Question 19

Since the original discovery of magnetic reversals, scientists have shown that these reversals have occurred over the past 10 million years at an average rate of 4 to 5 reversals per million years. The last such reversal occurred about how many years ago?  680,000 years

780,000 years

880,000 years

980,000 years

question 20

process is occurring at the points labeled “C” and “D”?

rising magma, magma comes up as plates diverge

subduction, where one plate is sliding beneath the other

formation of transform faults

formation of new plates

Question 21

Strips of identical oceanic crust form on both sides of the mid-ocean ridge system. They display _______________?

black and white colors

reversed and normal magnetic polarity

marine and non-marine fossils

granitic and basaltic composition

Question 22

Faults associated with zones of subduction are _____________ faults depending on the angle of the dip.

normal

reverse or thrust

left-lateral strike-slip

right-lateral strike-slip

Question 23

When rocks experience BRITTLE DEFORMATION, they are most likely to ____________________?

turn black

fold

fracture

change to quartz

Question 24

Which of the following does NOT influence the strength of a rock and how it will deform?

time

temperature

rock type

rock color

Question 25

Tensional stress ______________________?

shortens rock bodies and occurs along convergent plate boundaries

elongates rock bodies and occurs along convergent plate boundaries

elongates rock bodies and occurs along divergent plate boundaries

elongates rock bodies and occurs along transform plate boundaries

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