Tides Flashcards

(10 cards)

1
Q

What are tides

A

Regular movements of the seas surface caused by the gravitational pull of the moon and sun on the oceans
Particularly the moon

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2
Q

Description

A

Sea pulled in direction of the moon (towards it) and simultaneously away from it on the opposite of the world

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3
Q

Spring tide when and what

A

Occurs when it is a full moon or new moon
Highest high tide and lowest low tide

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4
Q

Neap tide when and what

A

First quarter moon and last quarter moon
Lowest high tide and highest low tide

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5
Q

Examples of tides affecting access to places (1)

A

Lindisfarne/ holy island

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6
Q

Example of extreme tide

A

Talbot bay- two bays, reef in the ocean creates a suction and tide suddenly goes out
Called horizontal water fall

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7
Q

Dangerous bay in uk

A

Morecambe bay
Very flat
Group of about 30 cockle collecter got caught and killed
Tides come in extremely quickly

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8
Q

Examples of how shapes of land affect tides

A

New Zealand has low tide on one side and high tide on the other as blocks the tide

Uk and Europe have very deep water to suddenly very shallow water so tides occur very fast

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9
Q

Tidal bore

A

Leading edge of the incoming tide forms a wave of water that travels up a river or narrow bay against the direction of the current

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10
Q

Example of tidal bore

A

Bristol
Huge event with many surfers

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