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Interior of the Earth

Total questions: 70

Worksheet time: 1hrs 10mins

Name
Class
Date
1.
Tectonic plates are made up of continental crust and ________ crust.
a)
continental
b)
oceanic
c)
plates
d)
mantle
2.
What is the thickest layer of the Earth?
a)
the crust
b)
the mantle
c)
the outer core
d)
the inner core
3.
Which layer of Earth is made up of tectonic plates?
a)
outer core
b)
inner core
c)
asthenosphere
d)
lithosphere
4.
What is the core made of?
a)
steel
b)
iron 
c)
aluminum
d)
iron and nickel
5.
Which layer of the earth has the lowest temperature?
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
6.
Scientists determine what Earth’s interior looks like by using:
a)
Volcanoes
b)
Seismic Waves
c)
Continental Drift
d)
Convection Currents
7.
Which layer of the earth is under the highest pressure?
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
8.

Which crust is thicker

a)

oceanic

b)

continental

c)

bread

d)

pizza

9.
Identify C
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
10.
The deeper into Earth you go the...
a)
greater the pressure
b)
less pressure
c)
pressure remains the same
11.
What are the two kinds of crust?
a)
lithospheric and asthenospheric
b)
silicon based and iron based
c)
continental and oceanic
d)
outer and inner
12.
What is the correct order (starting from the surface) of Earth's layers?
a)
crust, outer core, inner core, mantle
b)
mantle, outer core, inner core, crust
c)
crust, mantle, outer core, inner core
d)
outer core, inner core, crust, mantle
13.

A rock deep within the Earth experiences extreme temperature and pressure. After a long period of time it becomes which rock?

a)

Magma

b)

Igneous

c)

Metamorphic

d)

Sedimentary

14.
What material is used to form igneous rocks?
a)
magma
b)
sand
c)
gravel
d)
fossils
15.
what is the rock cycle.
a)
molten rock that is stored underground.
b)
rock material that forms where rocks are broken down into smaller pieces.
c)
a process that changes one type of rock into another type of rock.
16.

Which one is the direct source of information about the interior of the earth?

a)

Earthquake

b)

Volcanoes

c)

Cyclone

d)

Flood

17.

What kind of earthquake wave is most destructive?

a)

P-wave

b)

S-wave

c)

Surface wave

d)

All of the above

18.

Which type of earthquake is occurred due to mining activities?

a)

Collapse earthquake

b)

Explosion earthquake

c)

Reservoir Induced Earthquake

d)

Tectonic Earthquake

19.

Which one of the following is the most common type of earthquake

a)

Tectonic Earthquake

b)

Collapse earthquake

c)

Explosion earthquake

d)

Reservoir Induced Earthquake

20.

Which types of forces are responsible for shaping the surface of the earth?

a)

Endogenic forces

b)

Exogenic

c)

Both A and B

d)

None

21.

The upper portion of the mantle is called?

a)

Asthenosphere

b)

Lithosphere

c)

Stratosphere

d)

Mesosphere

22.

The volcanoes occurred in the ocean areas are called?

a)

Mid-Ocean Ridge Volcanoes

b)

Shield Volcanoes

c)

Flood Basalt

d)

Composite Volcanoes

23.

The igneous rocks cooling at the surface is known as?

a)

Volcanic rocks

b)

Plutonic rocks

c)

Both a and b

d)

None

24.

What is the oceanic crust of the earth composed of?

a)

Liquid nickel

b)

Silica

c)

Iron

d)

Magnesium

e)

Aluminum

25.

The average thickness of the mantle is:

a)

2800 km

b)

2700 km

c)

3000 km

d)

2900 km

26.

Which layer is also known as barysphere?

a)

Crust

b)

Mantle

c)

Core

d)

None of these

27.

What does the Latin word 'ignis' mean?

a)

Lava

b)

Fire

c)

Heat

d)

None of these

28.

What is the moho discontinuity?

a)

The discontinuity between the crust and the mantle

b)

The discontinuity between the mantle and outer core

c)

The discontinuity between the outer core and inner core

d)

None of these

29.

The mantle is separated by the crust boundary by ------- discontinuity

a)

Moho

b)

Conrad

c)

Repetti

d)

Guttenberg

30.

The core separated from the mantle by a boundary called _______________.

a)

Weichart-Gutenberg discontinuity

b)

Mohorovicic Discontinuity

c)

Conrad Discontinuity

d)

Repiti Discontinuity

31.

The radius of the earth is_________Km.

a)

6456

b)

6371

c)

6232

d)

6111

32.

How do we measure intensity of earthquake?

a)

Richter Scale

b)

Mercalli Scale

c)

Barometer

d)

Seismograph

33.

Fast moving waves which reach the earth earliest are called:

a)

Surface waves

b)

S-waves

c)

P-waves

d)

Alpha waves

34.

Which one of the following earthquake waves is more destructive?

a)

P-waves

b)

S-waves

c)

Surface waves

d)

None of the above

35.

Shadow zone for both P-waves and S-waves is _____________ away from epicentre

a)

105 degrees-145 degrees

b)

Beyond 145 degrees

c)

Both are true

d)

None of them are true

36.

Types of body waves are

a)

D and P waves

b)

F and S waves

c)

P and S waves

d)

S and T waves

37.

Focus of an earthquake is known as

a)

Epicentre

b)

Hypocentre

c)

Seismocentre

d)

Microcentre

38.

Maximum Depth of lithosphere from the surface of earth is

a)

500 km

b)

100 km

c)

200 km

d)

150 km

39.

S waves travels only through

a)

Liquid materials

b)

Solid materials

c)

Solid,liquid and gaseous

d)

Gaseous materials

40.

P waves travel through

a)

Gaseous materials

b)

Liquid materials

c)

Solid materials

d)

All of these

41.

Eathquake is caused due to

a)

Release of energy from rock faults

b)

Release of energy from lava

c)

Release of energy from aluminium

d)

None of these

42.

Specific area where the waves are not reported are known as

a)

No wave zone

b)

Non earthquake zone

c)

Special waves zone

d)

Shadow zone

43.

The outermost layer crust is ______ % of the earth's volume

a)

0.05

b)

0.5

c)

16

d)

83

44.

The core constitutes roughly about _____of the Earth's volume.

a)

37 %

b)

73 %

c)

83 %

d)

16 %

45.

Earthquake waves are recorded on the

a)

Seismograph

b)

Barograph

c)

Pantograph

d)

Erograph

46.

When was Earth formed?

a)

8.9 billion yrs ago

b)

5.8 billion yrs ago

c)

4.6 billion yrs ago

d)

1.5 billion yrs ago

47.

Science of study of earthquake is called as?

a)

Gemology

b)

Sesimology

c)

Actinology

d)

Acyrology

48.

Sial layer was formed -

a)

300 million yrs ago.

b)

800 million yrs ago.

c)

500 million yrs ago.

d)

200 million yrs ago.

49.

Sima layer was formed -

a)

8500 million yrs ago.

b)

3600 million yrs ago.

c)

2100 million yrs ago.

d)

700 million yrs ago.

50.

The continental crust consists mainly of _________.

a)

ultramafic rocks

b)

granitic rocks

c)

gabbroic rocks

d)

basaltic rocks

51.

The oceanic crust consists mainly of _________.

a)

granitic rocks

b)

gabbroic rocks

c)

basaltic rocks

d)

ultramafic rocks

52.

What is the approximate distance from the surface to the center of he Earth?

a)

1,000 miles

b)

40,000 miles

c)

10,000 miles

d)

4,000 miles

53.

Which one of the following lists most accurately describes oceanic crust?

a)

basaltic - density of 2.6 g/cm3

b)

granitic - density of 3.0 g/cm3

c)

quartz arenites - density of 2.6 g/cm3

d)

basaltic - density of 3.0 g/cm3

54.

The lithosphere is approximately _________ kilometers thick

a)

2900

b)

250

c)

25

d)

100

55.

What is the process called when an immense cloud of gas and dust collapses under gravity to form the solar system?

a)

Nuclear fusion

b)

Planetary accretion

c)

Nebular hypothesis

d)

Cold accretion

56.

How did the solar nebula evolve into the sun and planets?

a)

It expanded rapidly

b)

It condensed into a solid mass

c)

It formed rings around distant stars

d)

It collapsed into a spinning disc

57.

What is the primary driver of Earth's magnetic field?

a)

Earth's rotation

b)

Solar wind

c)

Earth's inner core

d)

Gravitational forces

58.

What makes the planet Earth habitable compared to other planets?

a)

It has soil.

b)

It has trees

c)

It has people

d)

It has liquid water.

59.

The ___ of a radioactive element is the time it takes for half of the parent atoms to decay into daughter atoms.

a)

decay rate

b)

half-life

c)

absolute age

d)

relative age

60.

What do many astronomers think caused the formation of the Moon?

a)

An asteroid

b)

A comet

c)

The sun

d)

A volcanic eruption

61.

The period of geologic time when the biodiversity of life on the planet increased dramatically was

a)

Jurassic

b)

Triassic

c)

Permian

d)

Cambrian

62.
The Law of Superposition helps scientists to determine what?
a)
The absolute age of rock layers
b)
The age of fossils
c)
The relative age of rock layers
d)
the super powers of rocks
63.
The Triassic Period, the Jurassic Period, and the Cretaceous Period occurred in what era?
a)
Cenozoic
b)
Mesozoic
c)

Precambrian

d)

Paleozoic

64.

Carbon 14 has a half life of 5,730 years. If there is 50% of it left, how old is the sample?

a)

5,730

b)

11,460

c)

2,685

d)

17,190

65.

A principle that states that geologic change occurs suddenly.

a)

Catastrophism

b)

Superposition

c)

Uniformitarianism

d)

Relative Dating

66.

The "Father of Geology"

a)

Alfred Wegener

b)

James Wilston

c)

James Monroe

d)

James Hutton

67.

Some magma cuts up through a bunch of layers of sedimentary rock. Which laws will show the relative age of the magma?

a)

Law of Uniformitarianism

b)

Law of original horizontality

c)

Law of super position

d)

Law of cross cutting

68.

What event is believed to have formed the Moon?

a)

The Ice Age

b)

The Great Flood

c)

The Big Bang

d)

The Theia Impact

69.

What planet is known for having a chaotic, hot, and toxic atmosphere?

a)

Saturn

b)

Venus

c)

Jupiter

d)

Mars

70.

What planet is believed to have had an atmosphere and flowing water in the past?

a)

Mars

b)

Mercury

c)

Venus

d)

Jupiter

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