Ocean Motions/Topography Review

Oceans cover about ______ of the surface of the earth.

• 60%

• 70%

• 80%

• 90%

The deepest parts of the ocean are called

• trenches

• abyss

• deep sea plain

• guyot

Tags

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Winds blowing across the surface of the oceans and seas cause them to move in ripples called ________

• tides

• waves

• current

• motion

Tags

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When a mountain sticks out of the water an ______________ is formed.

• Volcano

• land mass

• big rock

• Island

Tags

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What are the three motions of the ocean?

• continental shelf, continental rise, continental slope
• waves, tides, currents

Tags

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What usually has the greatest influence in causing tides?

• the earth's core

• the moon

• the sun

• the weather

The alternating rise and fall of local sea level are called

• breaker

• tides

• rip current

• tombolo

Undersea mountain chain is a ...

• seamount

• mid-ocean ridge

• volcanic island chain

• trench

The measurement of salinity is

• the amount of salt in the water.

• the amount of chloride in the water.

• the amount of potassium in the water.

• the amount of nutrients in the water.

What is an underwater mountain formed by a volcano?

• trench
• rift zone
• seamount
• mid ocean ridge