WorksheetsExploration and Ocean Floor Features
Total questions: 30
Worksheet time: 24mins
Name
Class
Date
1.
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
2.
The Mariana __________ is the deepest known place on Earth
a)
Volcano
b)
Seamount
c)
Ridge
d)
Trench
3.
What is letter D?
a)
Cont. Shelf
b)
Mid-Ocean Ridge
c)
Volcanic Island
d)
Seamount
4.
Which ocean floor feature is ONLY found at an active margin?
a)
continental shelf
b)
seamount
c)
trench
d)
abyssal plain
5.
What is letter G?
a)
Mid-Ocean Ridge
b)
Rift
c)
Trench
d)
Cont. Shelf
6.
This continental margin is known for a long continental shelf and the presence of a continental rise
a)
active
b)
passive
7.
The place where new ocean floor forms is called the...
a)
mid ocean ridge
b)
abyssal plain
c)
trench
d)
continental shelf
8.
What is the difference between a volcanic island & a seamount?
a)
A volcanic island rises above the water & a seamount does not
b)
A seamount rises above the water & a volcanic island does not
c)
Both the seamount & volcanic island are underwater
d)
Both the seamount & the volcanic island rise above the water
9.
What is letter A?
a)
Continental Shelf
b)
Continental Slope
c)
Seamount
d)
Abyssal Plain
10.
What is letter C?
a)
Mid-Ocean Ridge
b)
Continental Shelf
c)
Continental Slope
d)
Abyssal Plain
11.
What letter is B?
a)
Continental Shelf
b)
Continental Slope
c)
Mid-Ocean Ridge
d)
Seamount
12.
Flat ocean floor covered with thick layers of sediment
a)
Volcanic island
b)
Seamount
c)
Abyssal plain
d)
Continental shelf
13.
Underwater mountain range
a)
abyssal plain
b)
mid-ocean ridge
c)
seamount
d)
volcanic island
14.
Seamount that erupts out of the ocean
a)
trench
b)
mid-ocean ridge
c)
continental shelf
d)
volcanic island
15.
The world ocean makes up about ________ % of the Earth's surface.
a)
62%
b)
53%
c)
71 %
d)
90%
16.
Some ______________ of the ocean floor are mountains, valleys, trenches, plains, and even volcanoes.
a)
geography
b)
features
c)
floor
d)
animals
17.
The shoreline is where ____________ and __________ meet.
a)
land and ocean
b)
ocean and lakes
c)
rivers and mountains
d)
continental slope and continental rise
18.
Scientists use ______ to determine the oceans depth.
a)
Submarines
b)
Sonar
c)
Helicopters
d)
Radiowaves
19.
What is a gentle slope with a generally smooth surface that has been built up by the deposition of sediments from the continental block and is located between the continental slope and the abyssal plain?
a)
continental slope
b)
continental rise
c)
abyssal plain
d)
trench
20.
What do you call a steep incline of the ocean floor leading down from the edge of the continental shelf? Submarine canyons can be found cut in to this feature.
a)
continental slope
b)
trench
c)
deep ocean basin
d)
continental rise
21.
When you wade into the ocean at the beach, you are walking along the ________________________.
a)
continental slope
b)
continental shelf
c)
trench
d)
rift
22.
A layer of thick sediment covers the ___________________.
a)
abyssal plain
b)
island
c)
seamount
d)
rift
23.
SONAR uses which of the following to determine the depth of the ocean?
a)
sound waves and echoes
b)
satellites
c)
submarines
24.
Which of the following is NOT one of the four main oceans?
a)
Pacific
b)
Indian
c)
Antarctic
d)
Atlantic
25.
Which is the largest ocean?
a)
Pacific
b)
Atlantic
c)
Arctic
d)
Indian
26.
Which is the smallest ocean?
a)
Pacific
b)
Atlantic
c)
Arctic
d)
Indian
27.
This ocean is smaller than the Atlantic with the same depth and is found mostly in the Southern hemisphere.
a)
Pacific
b)
Atlantic
c)
Arctic
d)
Indian
28.
The measuring of ocean depth and charting of topography (or shape) of the ocean floor is known as
a)
SONAR
b)
oceanography
c)
bathymetry
d)
telemetry
29.
A small, underwater craft used for deep sea research is called a
a)
satellite
b)
SONAR
c)
submersible
30.
Which continental margin is found on the East coast of the United States (hint: where we are, the Jersey short)
a)
active
b)
passive
100 %
