Grade 9 November Exams > Geography- Waves > Flashcards

Geography- Waves Flashcards

(7 cards)

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1
Q

Wave formation

A

Begins with wind blowing over the ocean surface.

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2
Q

Top layers of wind move

A

Ahead of the lower layers because of friction between the layers and the wave surface.

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3
Q

Top layers

A

“Topple over” to create circular eddies, thus forcing the water surface into wave-like shapes.

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4
Q

Not actual

A

Water moves.

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5
Q

Depth if wave =

A

1/2 wave length

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6
Q

Swash

A

Forward

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7
Q

Backwash

A

Backwards

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Grade 9 November Exams
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