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WorksheetsOcean Floor
Total questions: 32
Worksheet time: 25mins
Name
Class
Date
1.
What percent of the Earth's surface is covered in water?
a)
71
b)
82
c)
50
d)
63
2.
What is the steep slope at the edge of the continental shelf?
a)
seamount
b)
mid-ocean ridge
c)
continental slope
d)
rift zone
3.
What are underwater mountain ranges called?
a)
continental shelf
b)
mid-ocean ridges
c)
abyssal plains
d)
continental slopes
4.
Where is the shallowest part of the ocean floor?
a)
continental slope
b)
continental shelf
c)
abyssal plains
d)
rift zones
5.
What is the flat land located on either side of the mid-ocean ridge?
a)
continental slope
b)
continental shelf
c)
abyssal plain
d)
ocean basin
6.
What is the deepest part of the ocean basin?
a)
abyssal plains
b)
trenches
c)
rift zones
d)
mid-ocean ridge
7.
What is an opening in the surface where lava may flow?
a)
trench
b)
seamount
c)
rift zone
d)
valley
8.
Which of the following is the corresponding oceanic land form for canyons?
a)
Mountain
b)
trench
c)
plains
d)
mid-ocean ridge
9.
Which of the following has the correct oceanic and continental land forms together?
a)
Valley- Continental Slope
b)
Continental shelf- mountains
c)
Mid-ocean ridge- trench
d)
Volcano- Seamount
10.
a gently sloping, shallow area of the ocean floor that extends outward form the edge of the continent
a)
continental shelf
b)
continental slope
c)
abyssal plain
d)
mid-ocean ridge
11.
sediment settles in this area.continental...
a)
rise
b)
slope
c)
shelf
12.
Scientists use ______ to determine the oceans depth.
a)
Submarine
b)
Sonar
c)
Helicopter
d)
Light
13.
A __________ is the area in an ocean basin where new ocean floor is formed
a)
sea mount
b)
continental shelf
c)
mid ocean ridge
d)
continental slope
14.
Label A
a)
continental slope
b)
continental shelf
c)
abyssal plain
d)
sea mount
15.
Label B
a)
continental slope
b)
continental shelf
c)
abyssal plain
d)
sea mount
16.
Label C
a)
continental slope
b)
continental shelf
c)
abyssal plain
d)
sea mount
17.
Label D
a)
continental slope
b)
continental shelf
c)
abyssal plain
d)
mid ocean ridge
18.
Label E
a)
continental slope
b)
volcanic island
c)
abyssal plain
d)
sea mount
19.
What is sonar
a)
Ice Cream
b)
Sound navigating and ranging
c)
Korean Pop
d)
Cellphones measuring distance
20.
Which tool uses sound to create a map of the sea floor to try to find artifacts left there?
a)
magnetometer
b)
side-scan sonar
c)
geographic information system (GIS)
21.
SONAR uses which of the following to determine the depth of the ocean?
a)
sound waves and echoes
b)
satellites
22.
If you are on the beach, laying on a beach towel and playing in the sand, you are on the _______________________
a)
continent
b)
continental slope
c)
abyssal plain
d)
continental shelf
23.
This boundary is also called a colliding boundary.
a)
transform
b)
convergent
c)
divergent
24.
This boundary moves away from another boundary.
a)
divergent
b)
convergent
c)
transform
25.
Alfred Wegener believed that all the continents were connected at one time. What did he call this one large land mass?
a)
Pancakes
b)
Pangaea
c)
Pancreas
d)
Patches
26.
What type of boundary do earthquakes usually occur along?
a)
transform
b)
divergent
c)
convergent
27.
Which method is used to map the seafloor using lines with knots?
a)
Side scan sonar
b)
Multibeam Sonar
c)
Plumb Line
d)
Satellites
28.
If a marine scientist wanted to study the depth of the ocean at a particular point, what is the best method for them?
a)
Side Scan Sonar
b)
Multibeam Sonar
c)
Plumb line
d)
Satellite
29.
If a marine scientist wanted to closely identify an object on the ocean floor, what is the best method for them?
a)
Side Scan Sonar
b)
Multibeam Sonar
c)
Plumb line
d)
Satellite
30.
Gray seals tend to dive deep in the ocean for food.
a)
True
b)
False
31.
Elephant seals are the largest seal on Earth and stay on the continental shelf
a)
True
b)
False
32.
Scientists have found that sound travels faster in air than it does in water
a)
False
b)
True
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