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Earth's Interior and Plate Tectonics

Total questions: 40

Worksheet time: 1hrs 20mins

Name
Class
Date
1.

What geological event do you expect to see at this plate boundary?

a)

Volcanoes

b)

Mountains

c)

Earthquakes

d)

Mid Ocean Ridge

2.

Which picture shows a plate boundary where mountains are likely to occur?

a)

b)

c)

d)

3.

At which plate boundary would you expect mid ocean ridges to form

a)

b)

c)

d)

4.

At which plate boundary does subduction occur?

a)

b)

c)

d)

5.

Which layer of the Earth is the mantle?

a)

1

b)

2

c)

3

d)

4

6.

The layer of the earth that contains convection currents is the...

a)

Crust

b)

Mantle

c)

Innercore

d)

Outercore

7.

Which layer of the earth has mountains and oceans on it?

a)

1

b)

2

c)

3

d)

4

8.

Which layer of the earth is the hottest?

a)

1

b)

2

c)

3

d)

4

9.

What causes tectonic plates to move?

a)

Gravity

b)

Ocean Currents

c)

Convection Currents

d)

The density of each plate

10.

The layer directly below the lithosphere is called the...

a)

Outer core

b)

Asthenosphere

c)

Inner core

d)

Crust

11.

The North American plate is Diverging away from the...

a)

South American Plate

b)

Eurasian Plate

c)

Pacific Plate

d)

Caribbean Plate

12.

Which scientists is credited with creating Continental Drift Theory?

a)

James Hutton

b)

Charles Lyell

c)

Alfred Wegener

d)

Harry Hess

13.

What is the name of the large supercontinent that once existed?

a)

Gondwanaland

b)

Laurasia

c)

Eurasia

d)

Pangea

14.

Which of these did NOT provide evidence to support continental drift?

a)

Glaciers

b)

Oceanic Plate Theory

c)

Fossils

d)

Rocks

15.

What two specific continents fit together most noticeably?

a)

Africa and North America

b)

South America and Europe

c)

South America and Africa

d)

Antarctica and Africa

16.

The best evidence that the continents were once connected is that they have matching...

a)

weather, fossils, and rock types

b)

coastlines, weather, and rock types

c)

coastlines, weather and fossils

d)

rock types, fossils, and coastlines

17.

Why did other scientists have a hard time believing Wegener's theory of continental drift?

a)

He could not explain how the continents moved

b)

He didn't have enough evidence

c)

His evidence was wrong

d)

He didn't use the right technology to gather data

18.

The Appalachian Mountains in the U.S. match up with a similar mountain range in Northern Europe. How does this support Wegener's theory of Continental Drift?

a)

The similarities provide evidence that North America and Europe were connected when the mountains formed.

b)

The similarities show that the continents must have been closer to the equator at some point in time.

c)

This does not provide any evidence to support his theory.

19.

What year did Wegener propose Continental Drift?

a)

2012

b)

1960

c)

1912

d)

1902

20.

What is the name of the geologist who found the underwater mountain chains during WWII?

a)

Alfred Wegener

b)

Albert Einstein

c)

Harry Hess

d)

Thomas Edison

21.

What technology was used during WWII to detect enemy submarines and produce the first map of the seafloor?

a)

GPS

b)

SONAR

c)

Radar

d)

Computers

22.

180 Million years ago, Pangea broke into smaller parts known as:

a)

Gondwanaland and Laurasia

b)

Pangea

c)

Eurasia, Antarctica, and Southern Africa

23.

Scientists have gathered evidence to prove which two statements about the continents?

a)

Each continent's location has changed.

b)

The shape of the continents has changed.

c)

The continents were once joined

d)

The continents formed not long ago.

24.

Which of the following has been used as evidence to support CDT?

a)

Fossils found all over the globe of similar plants and animals

b)

Meteorites

c)

constellation patterns

d)

ocean currents

25.

Which of the following has been used as evidence to support CDT?

a)

Similar glacial scarring on several different continents

b)

meteorites

c)

constellations

d)

ocean currents

26.

Which of the following has been used as evidence to support CDT?

a)

constellations

b)

mountain ranges on different continents with similar rocks

c)

ocean currents

d)

meteorites

27.

What is the name of the process shown in this diagram?

a)

Continental Drift

b)

plate tectonics

c)

seafloor spreading

d)

Big Bang theory

28.

Which statement best describes how seafloor spreading provides evidence to support Continental Drift theory?

a)

Seafloor spreading creates new crust which pushes the continents

b)

Seafloor spreading creates new crust which makes the Earth larger, giving more room for the continents

c)

Seafloor spreading makes oceans too large for continents to be close together

29.
Massive pieces of land that are part of the Earth's crust and upper mantle
a)
Tectonic plates
b)
Trenches
c)
Divergent boundary
d)
Continental shelves
30.
The deepest part of the ocean; long, narrow ditches
a)
Tectonic plates
b)
Trenches
c)
Divergent boundary
d)
Continental shelves
31.
___________ help explain why Earth is not getting any larger even though the tectonic plates are always moving.
a)
earthquakes
b)
subduction zones
c)
fossils
d)
volcanoes
32.
The OLDEST seafloor is located? 
a)
Closest to the mid-ocean ridge
b)
Farthest from the mid-ocean ridge
33.
True or False : Sea-floor Spreading adds new material to the ocean floor?
a)
True
b)
False
34.
What happens when Subduction occurs?
a)
Parts of the crust fall into the mantle
b)
Parts of the crust fall into the core
c)
Parts of the crust fall into space
d)
None of these
35.
What are Mid-Ocean Ridges?
a)
A chain of underwater waterfalls 
b)
A chain of underwater volcanos
c)
A chain of underwater mountains
d)
A chain of underwater rocks
36.
What process takes place at the trenches? 
a)
divergent boundaries
b)
subduction
c)
new crust is formed
d)
mountain ranges
37.
The oceanic crust is pushed aside on both sides of the 
a)
Continent's edge
b)
Deep-ocean trench
c)
Mid-ocean ridge
38.
The oceanic crust _________ when it reaches the continental crust.
a)
sinks
b)
rises
c)
expands
39.
New crust is always formed at the...
a)
mid-ocean ridge
b)
deep-ocean trench
c)
asthenosphere
40.
If there are MORE mid-ocean ridges than subduction zones, what happens to the ocean?
a)
It gets larger
b)
It gets smaller
c)
It sinks