Topic 4 - The Oceans Flashcards

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1
Q

What is Salinity

A

The amount of salt in a liquid

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2
Q

What is a ocean ridge

A

Long undersea mountain chains that run near the center of the ocean

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3
Q

What are trenches

A

Along some margins of the sea floor, Narrow steep-sided canyons from a ocean plate pushing against a continental plate

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4
Q

What are Abyssal Plains

A

Wide open features of the deep sea, thick deposits of sediment

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5
Q

What is a Continental Slope

A

From the edge of the shelf, the part of the continental shelf that plunges deep at a steep angle to the sea floor

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6
Q

What are waves

A

Large ripples in the water caused by the motion of wind

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7
Q

What are Swells

A

Smooth Waves in the water caused by winds and storms far in the sea

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8
Q

What are Breakers

A

When the wave Collapses (Or Crashes) on the shore

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9
Q

What are tides

A

The daily rising and falling of the ocean

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10
Q

What are spring tides

A

The largest tidal movements when the sun moon and earth are in alignment

(M) - ((E)) - (S)
M: Moon
E: Earth
S: Sun
(()) Means bulging of tides
(Not to scale)

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11
Q

What are Neap Tides

A

The smallest tidal movements where the sun and moon are at right angles of each other

                (M)
                  |
                 (E)   -   (S) M: Moon E: Earth  S: Sun  Earth is bulging Up and Down in this example  (Not to scale)
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12
Q

Tidal Range

A

The diffrence between high and low tide

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13
Q

How are tides formed?

A

The movement of the pull of the moon on the ocean

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14
Q

What are trade winds

A

Winds that blow along the equator from the east

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15
Q

What are Westerly Winds

A

Toward the polar regions, Winds drive West to East (WESTerly)

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16
Q

What is heat capacity

A

The length it takes water to heat up or down