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plate tectonics and boundaries

Total questions: 40

Worksheet time: 1hrs 8mins

Name
Class
Date
1.

The movement of the tectonic plates is caused by

a)

the rotation of the Earth.

b)

convection currents in the Asthenosphere

c)

the gravity of the iron-nickel core.

d)

the Moho discontinuity.

2.

There are three types of plate boundaries. Which choice is NOT a type of plate boundary?

a)

convergent

b)

insurgent

c)

divergent

d)

transform

3.

Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that

a)

the oceanic crust is melting.

b)

the denser oceanic crust is subducting under the less dense oceanic crust

c)

volcanic islands are forming.

d)

the tectonic plates are moving away from each other.

4.
What geological forces might be responsible for this range of mountains?
a)
diverging tectonic plates
b)
erosion of the land by the ocean
c)
converging tectonic plates
d)
deposition of sediments by the ocean
5.
The Earth’s surface is not a solid surface but is divided into
a)
several oceanic plates.
b)
continental and crustal plates.
c)
seven continental plates.
d)
continental and oceanic plates.
6.

Where are earthquakes MOST LIKELY to occur?

a)

close to the equator

b)

close to the center of tectonic plates

c)

at divergent or convergent plate boundaries

d)

at transform plate boundaries

7.

The 2004 Indian Ocean tsunami was caused by a shift in two plates that pushed one section of the sea floor under another section of the sea floor by 5 meters. What type of boundary is this?

a)

divergent

b)

convergent

c)

transform

d)

metamorphic

8.

___________ currents in the Earth's asthenosphere cause plate to shift at their boundaries. This movement also causes earthquakes and volcanic activity.

a)

conduction

b)

convection

c)

radiation

d)

ocean

9.

Where would sea floor spreading most likely occur?

a)

At convergent boundaries (oceanic vs. oceanic)

b)

At convergent boundaries (oceanic vs. continental)

c)

At divergent plate boundaries (oceanic vs. oceanic)

d)

At transform plate boundaries

10.

Boundary between two colliding plates, often associated with mountain building, ocean trenches and volcanic islands

a)

plate boundary

b)

magma

c)

divergent boundary

d)

convergent boundary

11.

proposed by Alfred Wegener, that the continents were once joined together and have since drifted apart

a)

theory of plate tectonics

b)

tectonic plates

c)

plate boundary

d)

theory of continental drift

12.

where two plates are moving apart, magma comes up to create new crust

a)

ridge

b)

divergent boundary

c)

convergent boundary

d)

plate boundary

13.

formed by two continental plates colliding and forcing each other upwards during convergent boundary

a)

grassland

b)

mountain ranges

c)

snow

d)

trench

14.
What was the name given to all the continents when they were joined as one super continent?
a)
Supreme Continent
b)
Eurasia
c)
Plate tectonics
d)
Pangea
15.
Which of the following is the softer moving area of the mantle that contains convection current?
a)
Asthenosphere
b)
Lithosphere
c)
Outer core
d)
Oceanic crust
16.
This image represents this type of boundary
a)
Divergent
b)
Transform
c)
Convergent
d)
Subduction
17.
What is a tectonic plate?
a)
A piece of the Earth's crust
b)
A piece of Earth's mantle
c)
A piece of Earth's core
d)
A piece of Earth's Moon
18.
The core of the earth is made of solid...
a)
chocolate
b)
copper
c)
carbon dioxide
d)
iron
19.

The semi-liquid layer below the Earth's crust is the

a)

core

b)

lava

c)

magma

d)

mantle

20.
A German scientist Alfred Wegener was the first to hypothesize that ...........
a)
Continents were once joined
b)
The sea floor is spreading
c)
Continents are moving
d)
The Earth's magnetic pole flips
21.
Peer scientists reviewing Wegener’s hypothesis of continental drift rejected his notion because
a)
His evidence was too few to make a valid conclusion 
b)
He did not explain how continents move and what moves them
c)
His evidence was not clear in showing  how continents were joined
d)
He lied by including false evidence
22.
Where are most divergent boundaries located?
a)
Along the middle of most ocean floors
b)
Along the margins of most continents
c)
Across the middle of many continents
d)
All the above options are correct
23.
The Himalayan mountains have some of the highest peaks like Mt. Everest, on which type of convergent boundary are they located?
a)
Oceanic/Continental
b)
Oceanic/Oceanic
c)
Continental/Continental
d)
None of the above
24.

The San Andréas fault in California is one example of a...

a)

Divergent boundary

b)

Convergent boundary

c)

Transform boundary

d)

All of the above

25.
What two mechanisms do scientists think help convection currents in mantel move plates?
a)
Ridge push and Slab pull
b)
Normal and Reversed magnetism
c)
Action and Reaction tectonic forces 
d)
Gravitational and Rotational pull
26.

Which of these phenomenon is not directly caused by plate tectonics

a)

Volcanic eruptions

b)

Earthquakes

c)

Tsunamis

d)

Landslides

27.
A subduction zone is formed...
a)
when an ocean plate sinks below a continental plate creating a trench and usually volcanoes
b)
when an ocean plate sinks below a continental plate creating a mid-ocean ridge and rift valley 
c)
when an ocean plate sinks below a continental plate creating a mountain range 
d)
at transform boundaries
28.

What is the Theory of Continental Drift?

a)

New continents are continually being created

and destroyed.

b)

The layout of the continents is the same today

as it has always been

c)

The continents have always been separate but

may one day drift together to form a single

continent

d)

All the continents were once one continent that

broke up and drifted apart over hundreds of

millions of years

29.

What do these color strips show between South America and Africa with the Theory of Plate Tectonics?

a)

Similar cultures

b)

Similar fossils

c)

Similar languages

d)

Similar weather

30.

Which of the following is the thinnest layer of Earth?

a)

Mantle

b)

Crust

c)

Lithosphere

d)

Inner Core

31.

Who is credited with proposing the hypothesis of Continental Drift?

a)

Harry Hess

b)

Galileo Galilei

c)

Alfred Wegener

d)

Isaac Newton

e)

Albert Einstein

32.

Which is more dense?

a)

Continental Crust

b)

Oceanic Crust

33.

What happens to temperature and pressure as you get to deeper layers within Earth?

a)

Temperature and Pressure increase

b)

Temperature increases, Pressure decreases

c)

Temperature decreases, Pressure increases

d)

Temperature and Pressure decreases

34.

What do geologists notice about the rocks along the sea floor?

a)

They get older as they get farther away from mid ocean ridges

b)

They get thicker closer to continents

c)

Density is impossible to measure

d)

Youngest parts of the crust are along the continents

35.

What kind of boundary is shown in this image?

a)

Divergent

b)

Convergent: Subduction

c)

Convergent: Collision

d)

Transform

36.
The upper rigid part of Earth that contains the crust and part of the upper mantle is called the _________.
a)
asthensosphere
b)
inner core
c)
lithosphere
d)
glossoposphere
37.
Continental drift occurs because of ________.
a)
sea floor spreading
b)
earthquakes
c)
magnetic reversal
d)
fossils
38.
Oceanic plates are pushed down into the upper mantle in _____.
a)
convection currents
b)
divergent boundaries
c)
subduction zones
d)
strike slip faults
39.
Who came up with the theory of sea floor spreading?
a)
Alfred Wegener
b)
Al Capone
c)
Harry Hess
d)
Harry Haas
40.
What is the name for the crust and the upper mantle?
a)
lithosphere
b)
asthenosphere
c)
mesosphere
d)
atmosphere

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