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 ____

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