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Ocean Landforms Quiz Flashcards | StudBud
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Ocean Landforms Quiz
Ocean Landforms Quiz
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1
What IS NOT A REASON given why we know more about the moon than the depths of our oceans?
It's so cold & dark
pressure from the water
It's so vast and deep in places
It's too scary
2
Area D is the:
prairie
mid- ocean ridges
continental shelf
abyssal plain
3
Which fact is NOT true about the abyssal plain?
It is dark and cold.
It is the flattest place on earth.
It is covered with thick layers of sediment.
It has a lot of animal and plant life.
4
Why does the continental slope not have as much marine life as the continental shelf?
too many sharks
little or no light, cold temperatures
too many people
extreme volcanic activity
5
After the continental shelf, the ___________________ drops off suddenly.
continental slope
trench
<p>abyssal plain</p>
seamount
6
How did the mid-ocean ridges form?
tectonic plates moving together, forcing downward
erosion
earth's crust rising out of the water
volcanoes erupting, causing the ocean floor to split
7
What part of the ocean floor is the newest?
trench
continental shelf
<p>abyssal plain</p>
mid-ocean ridges
8
What is the continental shelf covered with?
sediment, quartz
<p>sand, silts, plant life, mud</p>
clay material, oil
nothing
9
True or False. A seamount and an island are the same thing.
True
False
10
Where is the Mariana Trench found?
Indian
Arctic
Atlantic
Pacific
11
What technology is used to map the ocean floor today?
sonor (echo location)
long rope with knots to measure the depth
gps
satellites
12
Area E is a:
mid-ocean ridge
continental slope
trench
seamount
13
Which place makes up part of the world's longest mountain range or mid-oceanic ridge.
Iceland
Hawaii
Australia
Greenland
14
Which is NOT TRUE of the continental shelf?
formed from volcanic activity
the most plant and animal life
gently slopes away
it's located at the edge of a continent
15
What is NOT TRUE about a continental shelf?
Sunlight allows a wide variety of animal and plant life.
It descends from the continent into the water.
The land slopes steeply from the continent.
It's the shallowest part of the ocean floor.
16
The mid-ocean ridges
it is 4,000 m. deep
It is like a large mountain peak under water.
it is made by erosion
mountain ranges that wrap around the globe
17
These are created when 2 of Earth's plates hit each other and push downward.
<p>mid ocean ridges</p>
seamount
trench
rift
18
Area E best shows an example of a:
atoll
seamount
island
mid-ocean ridge
19
What is an example showing the tip of a seamount sticking out of the water?
<p>Marianna Trench</p>
<p>Hawaii</p>
<p>Great Barrier Reef</p>
<p>Australia</p>
20
Area F is a:
seamount
mid-ocean ridge
trench
continental shelf
21
How are islands formed?
earth's crust pressing together
volcanic activity
decreasing water levels
sediment build-up over time
22
Similar to canyons on land, it is the deepest part of the ocean.
trench
abyssal plain
Mid-ocean ridge
rift
23
The continental shelf has
<p>thick layers of sediment</p>
<p>the most plant and animal life</p>
<p>no life or light</p>
a bumpy surface
24
The earth's crust separates and lava flows to form
trench
atoll
abyssal plain
mid ocean ridges
25
The abyssal plain is part of the flat, ocean floor that covers:
about 3/4 of our earth
2/5 of our earth
over 1/2 of our earth
90% of our earth
