Oceans Flashcards

1
Q

What is a continental rise

A

A continental rise is sediment separating continental slope from the ocean floor

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2
Q

What is a submarine canyon

A

DV shaped valleys Cutthrough continental shelf and Continental slope

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3
Q

What is the continental margin

A

Area where continents underwater and meets the ocean floor, and consists of three parts; the shelf, the slope in the rise

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4
Q

What is turbidity currents

A

Water that carries a large amounts of sediment

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5
Q

What is the continental slope

A

Boundary between continents crust and ocean floors crust

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6
Q

Topography

A

A description of the shape of the ocean floor-its characteristics and major features

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7
Q

What is it Shoreline

A

The boundary where land meets the ocean

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8
Q

what is sediment

A

Small pieces of rocks and the remains of plants and animals wash down from the continent

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9
Q

What is abyssal plains

A

A large flat area of land on the ocean floor

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10
Q

What is seamounts

A

Individual underwater mountain that rise up from the ocean floor and I characterized by steep sides and narrow tops “summits “

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11
Q

What is guyots

A

Individual underwater mountain that rise up from the ocean floor, but our flat -top and do not have summits

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12
Q

What are trenches

A

Long narrow crevices found along the edge of the ocean floor

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13
Q

What are mid ocean ridges

A

Large, underwater mountain ranges for my molten material deep within the earth

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14
Q

What are reefs

A

Sometimes unusual looking volcanic islands can be seen in tropical waters near the continental shelf. Surrounding these islands offshore are large masses of limestone rocks that contain the show is of animals. The structures can only be found in a warm, tropical waters, near the service, because it needs light

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15
Q

What are barrier reefs

A

Limestone structure that surrounds a tropical island, but separated from the island by a Lagoon

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16
Q

Fringing reefs

A

Limestone structures that surround a tropical island, that touch the islands Shoreline

17
Q

What is a atoll

A

Limestone structures that surround what used to be a tropical island, but the island has since sunken or has been eroded away

18
Q

What are Rift Valleys

A

Running along the middle and almost parallel to underwater mountain ranges are indeed crevices, about a mile wide

19
Q

What is the continental shelf

A

Relatively flat part of the continental margin covered by shallow ocean water

20
Q

Describe the continental margin

A

The margin is an area where the underwater edge of a continent meet Seo. It generally consists of three parts. A continental shelf, a continental slope, and a continental rise

21
Q

Is a continental margin best described as a land feature earn ocean feature

A

Hey continental margin is best described as a land feature

22
Q

Describe a continental shelf

A

Hey continental shelf is a relatively flat part of a continental margin. Is covered by shallow ocean water. It’s looks down word from the shoreline. Slopes less than 1.2 m for every hundred meters from the shoreline

23
Q

What kind of resources can be found in a continental shelf area

A

Resources can be found in the continental shelf area our fish, natural gas, oil, and minerals

24
Q

At the edge of the continental shelf, the ocean floor plunges. What is this feature of an ocean called?

A

This feature of an ocean is called a continental slope

25
Q

What is the name given to the current to flow down a continental slope caring sedentary main of plants and animals

A

Turbidity currents