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Ocean Floor

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5th Grade Science - Ocean Floor 5.6a

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Questions 10

Answers

1
Which describes the continental slope?
a deep underwater canyon
the flat part of the ocean floor
a steep drop-off to the ocean floor
a gradual slope at the edge of a continent
2
Which describes an oceanic trench?
an underwater volcano
an island
a deep underwater canyon
an underwater mountain range
3
The world's oceans cover about --- of Earth.
25%
50%
90%
70%
4
Which describes a mid-ocean ridge?
a steep drop-off to the ocean floor
an underwater volcano
the deepest part of the ocean
underwater mountain ranges
5
An example of a mid-ocean ridge is -
the Mid-Atlantic Ridge
a seamount
the Marianas Ridge
6
Which describes the abyssal plain?
the flat part of the ocean floor
a steep drop-off to the ocean floor
a gradual slope at the edge of a continent
a deep underwater canyon
7
Which describes the continental rise?
connects the slope to the ocean floor
the flat part of the ocean floor
a gradual slope at the edge of a continent
a steep drop-off to the ocean floor
8
The ocean floor -
has mountains, plains, and trenches
is deepest at the continental shelf
is the same depth everywhere
9
The deepest trench, the Marianas Trench, is located in the -
Atlantic Ocean
Indian Ocean
Arctic Ocean
Pacific Ocean
10
Which describes the continental shelf?
the flat part of the ocean floor
a steep drop-off to the ocean floor
a deep underwater canyon
a gradual slope at the edge of a continent