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Distribution of Oceans and Continents

Total questions: 30

Worksheet time: 20mins

Name
Class
Date
1.
Which of the following causes Earth's tectonic plates to move?
a)
Energy from the Sun
b)
Magnetic Pole Reversal
c)
Convection currents in the mantle
d)
Faults in Mountain Ranges
2.
What is a divergent boundary? 
a)
two plates moving towards each other
b)
two plates grinding/sliding past each other.
c)
two plates moving away from each other
d)
plates that don't move at all
3.
What forms at the divergent boundary? 
a)
deep-ocean trench
b)
mid-ocean Ridge
c)
land ridge
d)
the Pacific Ocean
4.
Plates slide grind/slide  past one another at ____________ boundaries.
a)
divergent
b)
convergent
c)
transform
d)
submerged
5.
What kind of plate boundary is shown here?
a)
divergent
b)
convergent
c)
transform
d)
strike slip
6.
What is the term for the process by which a heavier, denser plate slides under a less dense plate?
a)
plate boundary
b)
submersion
c)
accretion
d)
subduction
7.
What kind of plate boundary is shown here?
a)
divergent
b)
convergent
c)
transform
d)
subducting
8.
What kind of plate boundary is shown here?
a)
divergent
b)
convergent
c)
transform
d)
submerged
9.

At which plate boundary is crust neither created nor destroyed?

a)

divergent

b)

convergent

c)

transform

d)

submerged

10.

The lithospheric plates are constantly moving at a rapid rate.

a)

True

b)

False

c)

Maybe

d)

Not sure

11.
Some volcanoes are formed without being near plate boundaries.  These are known as
a)
deep ocean trenches
b)
subduction zones
c)
faults
d)
hot spots
12.
What is the name of the area around the Pacific Plate in which many earthquakes occur and volcanoes are formed?
a)
San Andres Fault
b)
Atlantic Mid-Ocean Ridge
c)
Himalaya Mt. Range
d)
Ring of Fire
13.

The Himalaya Mountains were formed by the collision of 2 continental plates.

a)

True

b)

False

c)

Maybe

d)

Not sure

14.
What two specific continents fit together most noticeably?
a)
Africa and North America
b)
South America and Europe
c)
South America and Africa
d)
 Antartica and Africa
15.
Who is the person credited with developing the theory of continental drift?
a)
Harry Hess
b)
Galileo
c)
Alfred Wegener
d)
Newton
16.

What is represented in this picture?

a)

plate tectonics

b)

continental drift

c)

pangea

d)

glacier scaring

17.
Which type of information was NOT collected by Wegener to support his continental drift hypothesis?
a)
glacial deposits
b)
 fossils
c)
seafloor magnetic data
d)
rocks
18.

The theory of continental drift named a key part of this idea Pangaea. What is Pangaea?

a)

One of the ancient animals

b)

supercontinent that existed in Earth's distant past

c)

The underwater ocean range in the middle of the ocean

d)

The hot spot which gave rise to the Hawaiian Islands, among others

19.

Why was Wegener's theory not accepted?

a)

He couldn't prove the reason for movement of continents

b)

He had no evidence

c)

He was meteorologist

d)

He was not a Scientist

20.
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
21.
The deepest part of the ocean; long, narrow ditches
a)
Tectonic plates
b)
Trenches
c)
Divergent boundary
d)
Continental shelves
22.
___________ 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
23.

The OLDEST seafloor is located?

a)

Closest to the mid-ocean ridge

b)

Farthest from the mid-ocean ridge

c)

Along the plate boundaries

d)

All of these

24.
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
25.
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
26.

The oceanic crust is pushed aside on both sides of the

a)

Continent's edge

b)

Deep-ocean trench

c)

Mid-ocean ridge

d)

Lithospheric plates

27.

New crust is always formed at the...

a)

mid-ocean ridge

b)

deep-ocean trench

c)

asthenosphere

d)

Volcanic islands

28.

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

d)

None of these

29.

Who propounded the theory of sea floor spreading?

a)

Arthur Holmes

b)

Harry Hess

c)

Alfred Wegner

d)

E. C. Semple

30.

Convectional current theory was propounded by

a)

Alfred Wegner

b)

Harry Hess

c)

Arthur Holmes

d)

Richard Hartshone