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Seafloor Features

Total questions: 22

Worksheet time: 44mins

Name
Class
Date
1.
Seamount is similiar to...
a)
a volcanic island
b)
a small mountain or volcano
c)
The Great Plains
d)
The Grand Canyon
2.
The continental slope is located at the end of the...
a)
shoreline
b)
continental shelf
c)
mid ocean ridge
d)
abyssal plain
3.
Which process adds more crust to the ocean floor?
a)
earthquakes
b)
sea floor spreading 
c)
subduction
d)
convection
4.
Which best represents the order of seafloor features as you move from the shoreline to the deep ocean?
a)
 Continental slope – continental shelf- continental rise – mid-ocean ridge
b)
 Continental rise – continental shelf – mid-ocean ridge -  continental slope
c)
 Continental shelf – continental slope – continental rise – mid-ocean ridge
d)
   Mid-ocean ridge – continental rise – continental shelf- continental slope
5.

What type of boundary does Seafloor Spreading occur?

a)

Convergent

b)

Subduction

c)

Collision

d)

Divergent

6.
True or False: The plates will never stop moving
a)
True
b)
False
7.

Two plates come together or collide at what boundary?

a)

Convergent

b)

Divergent

c)

Transform

8.

Two plates slide past each other at what boundary?

a)

Covergent

b)

Divergent

c)

Transform

9.

Oceanic crust (sea floor) is destroyed at this boundary.

a)

Convergent Oceanic

b)

Divergent Oceanic

c)

Convergent Continental-Continental

d)

Divergent Continental

10.

The __________ is the deepest known place on Earth at a depth of 11,034 meters.

a)

Volcano Gully

b)

Seamount Deep

c)

Ridge Valley

d)

Mariana Trench

11.

Which is the largest ocean?

a)

Pacific

b)

Atlantic

c)

Arctic

d)

Indian

12.
How many oceans are there?
a)
1
b)
10
c)
5
d)
2
13.
What percentage of Earth's surface is represented by ocean basins?
a)
10 percent
b)
30 percent
c)
50 percent
d)
60 percent
14.
Where are most deep-sea trenches located?
a)
Atlantic Ocean
b)
Pacific Ocean
c)
Indian Ocean
d)
Arctic Ocean
15.
Which letter indicates the continental shelf?
a)
A
b)
B
c)
C
d)
D
16.
Which feature is indicated by the letter K?
a)
guyot
b)
continental slope
c)
continental rise
d)
trench
17.
Which feature marks the true edge of a continent (according to oceanographers)?
a)
submarine canyon
b)
continental slope
c)
continental shelf
d)
abyssal plain
18.
Which features of the seafloor represent the flattest part of the Earth's surface?
a)
deep-sea trenches
b)
continental margins
c)
mid-ocean ridges
d)
abyssal plains
19.

The largest abyssal plain is the _______________________ in the North Atlantic, which covers around 900,000 km² of ocean floor.

a)

Mariana Trench

b)

Antarctic

c)

Sahara Desert

d)

Sohm Plain

20.

A steep slope separating a continental shelf and a deep ocean basin.

a)

Continental ridge

b)

Continental slope

c)

Midocean ridge

d)

Abyssal plain

21.

An underwater mountain range, formed by plate tectonics.

a)

Continental ridge

b)

Continental slope

c)

Midocean ridge

d)

Abyssal plain

22.

A wide flat area of land deep under the ocean's surface.

a)

Continental ridge

b)

Continental slope

c)

Midocean ridge

d)

Abyssal plain