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Layers of Earth and Plate Boundaries

Total questions: 88

Worksheet time: 4hrs 36mins

Name
Class
Date
1.

Which of the following lists Earth's layers in order from outermost to innermost?

a)

inner core, outer core, mantle, crust

b)

mantle, outer core, inner core, crust

c)

crust, mantle, outer core, inner core

2.

Which best describes the mantle?

a)

molten (melted) metal

b)

hot, slow flowing rock

c)

dry land and ocean floor

3.

What do geologists call the crust and uppermost mantle?

a)

lithosphere

b)

mesosphere

c)

asthenosphere

4.

Which of Earth’s layers is the thickest?

a)

core

b)

crust

c)

mantle

5.

Which of Earth’s layers is the coldest?

a)

crust

b)

mantle

c)

core

6.

In which layer is the asthenosphere located?

a)

mantle

b)

core

c)

crust

7.

As you go deeper down inside Earth, what happens to the density?

a)

it increases

b)

it decreases

c)

it stays the same

8.

In which layer do convection currents take place?

a)

core

b)

mantle

c)

crust

9.

Which layer is the least dense?

a)

mantle

b)

crust

c)

core

10.

Which best describes the crust?

a)

molten (melted) metal

b)

hot, solid rock

c)

dry land and ocean floor

11.

Which layers are completely liquid?

a)

inner core & outer core

b)

outer core only

c)

outer core & mantle

12.

What makes up the majority of Earth’s core?

a)

iron and nickel

b)

aluminum and silicon

c)

iron and magnesium

13.

What happens to the temperature as you go deeper down inside Earth?

a)

it increases

b)

it decreases

c)

it stays the same

14.

Which layer is the thinnest?

a)

core

b)

mantle

c)

crust

15.

Which best describes the inner core?

a)

molten (melted) metal

b)

hot, solid rock

c)

dense, solid metal ball

16.

Which best describes the outer core?

a)

molten (melted) metal

b)

hot, solid rock

c)

dense, solid metal ball

17.

What makes up the majority of Earth’s crust?

a)

iron & nickel

b)

aluminum & silicon

c)

iron & magnesium

18.

Convection currents are found in which compositional layer?

a)

Crust

b)

Mantle

c)

Core

19.

Which compositional layer is the centermost?

a)

Crust

b)

Mantle

c)

Core

20.

What are the two types of crust?

a)

Asthenosphere and Mesosphere

b)

Lithosphere and Asthenosphere

c)

Oceanic and Continental

21.

Which compositional layer is the densest?

a)

Crust

b)

Mantle

c)

Core

22.

Which layer are the tectonic plates on?

a)

crust

b)

mantle

c)

outer core

d)

inner core

23.

Which letter in the diagram identifies the layer scientists believe to be in a liquid state?

a)

A

b)

B

c)

C

d)

D

24.

Where in the diagram might you expect to find rocks of the lowest density?

a)

A

b)

B

c)

C

d)

D

25.
What type of plate boundary is this?
a)
Transform
b)
Convergent
c)
Divergent
d)
Plate
26.

What is the only event associated with ALL plate boundaries?

a)

Volcanoes

b)

Earthquakes

c)

Subduction

d)

Deep Trenches

27.

What two crustal features occur near every subduction zone?

a)

Volcanoes and Trenches

b)

Rift Valleys and Mid Ocean Ridges

c)

Volcanoes and Rift Valleys

d)

Mid Ocean Ridges and Trenches

28.

The diagram shows a landform on Earth. How did the movement of Earth’s plates form the landform?

a)

Two oceanic plates slid past each other.

b)

Two continental plates collided.

c)

One continental plate slid past an oceanic plate.

d)

One continental plate subducted beneath an oceanic plate.

29.

Use the diagram to answer the question. What results as the two oceanic plates converge?

a)

formation of a deep sea trench and island volcanoes

b)

earthquake activity and appearance of a transform fault

c)

volcanic eruption along both oceanic plate edges

d)

formation of a continental mountain range

30.
What are the two types of crust
a)
continental and oceanic
b)
ocean and upper
c)
lower and upper
d)
pizza and subway
31.

What geologic feature/event would you most likely to find at a divergent boundary between two pieces of continental crust?

a)

Mid-Ocean Ridge

b)

Mountain

c)

Rift Valley

d)

Island Arc

32.

What geologic feature/event would you most likely to find at a divergent boundary between two pieces of oceanic crust?

a)

Rift Valley

b)

Mid-Ocean Ridge

c)

Island Arc

d)

Flat land

33.

A mid-ocean RIDGE is located at the boundary of two tectonic plates. Which diagram correctly models the relative plate motion on each side of a mid ocean ridge?

a)
b)
c)
d)
34.
Where would the oldest rock be found?
a)
L
b)
M
c)
O
35.
In the Atlantic ocean, where is the youngest seafloor located?
a)

Towards the edges

b)

Youngest seafloor is in the middle of the ocean

36.

The letter B represents

a)

Subduction zone

b)

Trench

c)

Oceanic crust

d)

Island Volcano Arc

37.

Which plate is the SUBDUCTING or sinking plate in a convergent boundary?

a)

The dense oceanic plate

b)

The Thick continental plate

c)

Neither

d)

Both ocean and continental plate can sink.

38.
What event occurs at the letter A?
a)
earthquake
b)
subduction
c)
volcanism
39.
What type of boundary pushes together forming folded mountains?
a)
transform boundary
b)
convergent boundary
c)
divergent boundary
d)
caldera
40.
The group of volcanoes located around the Pacific Ocean are known as
a)
Aleutian Islands
b)
Hawaiian Islands
c)
Ring the Fire
d)
LaLa Land
41.
The model that states that Earth's surface is composed of large rock plates that fit together like jigsaw puzzle pieces
a)
photosynthesis
b)
respiration
c)
plate tectonics
d)
volcano
42.
Which of Earth's layers is found at the center, is the hottest layer, and is made of solid metal?
a)
crust
b)
mantle
c)
inner core
d)
outer core
43.
What is the thickest, middle layer of the Earth called?
a)
crust
b)
mantle
c)
outer core
d)
inner core
44.
Earth's crust is broken up into several large rocky pieces called ...
a)
plates
b)
faults
c)
fossils
d)
puzzle pieces
45.
The "super continent" that combined all of Earth's land into one huge continent millions of years ago is called...
a)
plate tectonics
b)
mountain formation
c)
North America
d)
Pangea
46.
A ______________ boundary is where plates move toward each other and collide.
a)
convergent
b)
divergent
c)
transform
47.
A _________________ boundary is when two tectonic plates move away from each other.
a)
convergent
b)
divergent
c)
transform
48.
A ________________ boundary is where two tectonic plates move past one another in opposite directions.
a)
convergent
b)
divergent
c)
transform
49.
How do mountains form?
a)
An ocean plate sinks beneath another plate and begins to melt, sending melted rock to the surface, which forms volcanic mountains or islands.
b)
Hot rock from within the earth risies through ocean floor as plates separate. This forms a volcanic mountain chain, or ridge, on the ocean floor.
c)
Two continental plates collide, and the land folds and crumples like paper.
d)
All of the above.
50.
 When a continental plate and an oceanic plate collide, the oceanic plate slides beneath the continental plate. This is called subduction. Why does this happen?
a)
The oceanic plate has water on top of it so it sinks.
b)
The continental plate is denser therefore it pushes down the oceanic plate.
c)
The oceanic plate is denser causing it to slide beneath the less dense continental plate.
d)
The continental plate is thicker therefore it stays on top.
51.
What type of plate boundary does not result in the formation of any new landforms?
a)
transform fault
b)
convergent boundary
c)
divergent boundary
52.
 When two plates separate at a divergent boundary it creates a _________________.
a)
ridge
b)
trench
c)
mountain
d)
no new landform is created
53.
Hot, molten rock beneath Earth's crust is called
a)
lava
b)
magma
c)
lithosphere
d)
asthenosphere
54.

What is true of tectonic plates?

a)

They are constantly moving

b)

Earthquakes cause them to move

c)

They don't move for centuries at a time

d)

There are fewer and fewer of them

55.

What is the underlying force that drives plate tectonics?

a)

ocean tides

b)

Volcanic eruptions

c)

convection currents

d)

the rock cycle

56.

The formation of new areas of oceanic crust

a)

seafloor spreading

b)

subduction

c)

convection

d)

lithosphere

57.

Plates that diverge or move apart from each other

a)

divergent

b)

transform

c)

convergent

d)

lithosphere

58.

Cracks or breaks in earth's crust where plates slip past each other

a)

subduction

b)

faults

c)

mid-ocean ridge

d)

san andreas

59.

Continental plate collides with another continental plate creates

a)

volcanoes

b)

earthquake

c)

trench

d)

folded mountains

60.

Occurs when a less dense plate slides under a more dense plate

a)

tectonic plates

b)

subduction

c)

continental drift

d)

landmass

61.

What type of plate boundary is shown in the picture

a)

convergent

b)

divergent

c)

transform

d)

faults

62.

Plates boundary where plates slide or move past each other

a)

divergent

b)

continental drift

c)

transform

d)

convergent

63.

The type of geological event that occurs under transform boundaries

a)

folded mountains

b)

earthquakes

c)

volcanoes

d)

tsunamis

64.

Ocean plate collides with ocean plate creates

a)

mid- ocean ridge

b)

sea floor spreading

c)

earthquakes

d)

volcanic ark of islands

65.

What plate boundary is shown in the picture?

a)

convergent

b)

divergent

c)

transform

d)

neither

66.

What type of plate boundary is shown in the picture?

a)

folded mountains

b)

transform

c)

convergent

d)

divergent

67.

Plates collide or converge into each other

a)

divergent

b)

convergent

c)

transform

d)

convection

68.

Which of the following answer choice describes an ocean plate vs continental plate?

a)

creates trench or volcano

b)

creates earthquakes at subduction zones

c)

creates folded mountains or new land

d)

creates rift valleys

69.

Which natural occurance causes the tectonic plates to move?

a)

ocean plates subducted under continental plates

b)

convection currents

c)

continental drift

d)

earthquakes

70.

Subduction occurs under which plate boundary?

a)

lithosphere

b)

divergent

c)

convergent

d)

transform

71.

The plastic like layer of the Earth where the plates move around on like a raft

a)

ecology

b)

tectonic plates

c)

asthenosphere

d)

lithosphere

72.

What is the lithosphere?

a)

upper most part of the crust and lower part of the mantle

b)

upper most part of the mantle and lower part of the crust

c)

mid mantle where convection current occur

d)

part of the liquid outer core

73.

The deepest part of the ocean floor located on both sides of a mid ocean ridge is called

a)

new forming rock under water

b)

oceanic plate

c)

mid ocean ridge

d)

ocean basin

74.

What is happening in the picture?

a)

layers of the Earth are changing positions

b)

the inner and outer core are solid

c)

convection currents are causing the tectonic plates to move

d)

the mantle is growing

75.

Which layer is made of plates?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

76.

How many major plates are there?

a)

7

b)

3

c)

12

77.

Which liquid layer makes the plates move?

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

78.

The movement of the plates is caused by ___.

a)

Magnets

b)

Asteroids

c)

Changes in the mantle

79.

What is a place where two plates meet?

a)

Drift

b)

Tectonics

c)

Pangea

d)

Boundary

80.

Scientists study Plate Boundaries because ____.

a)

The government forces them to.

b)

Most changes in the geosphere happen at plate boundaries.

c)

The plate boundaries never change so they are easy to study.

81.

Plates Come Together

a)

Convergent

b)

Divergent

c)

Transform

82.

Plates Spread Apart

a)

Convergent

b)

Divergent

c)

Transform

83.

Plates Rub Against Each Other

a)

Convergent

b)

Divergent

c)

Transform

84.
a)

Convergent

b)

Divergent

c)

Transform

85.
a)

Convergent

b)

Divergent

c)

Transform

86.
a)

Convergent

b)

Divergent

c)

Transform

87.

Match the plate boundary to its definition.

a)

Plates spread apart

1.

Divergent

b)

Plates come together

2.

Convergent

c)

Plates rub against each other

3.

Transform

88.

Match the plate boundary to its diagram.

a)
1.

Divergent

b)
2.

Convergent

c)
3.

Transform

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