Oceans Practice

What percentage of Earth's surface is covered by oceans?

• 10%

• 25%

• 50%

• 71%

Which ocean is the largest?

• Arctic Ocean

• Atlantic Ocean

• Indian Ocean

• Pacific Ocean

What is the part of the ocean floor that is closest to land called?

• Continental slope

• Abyssal plain

• Continental rise

• Continental shelf

Which part of the ocean floor is considered the true ocean floor?

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NGSS.MS-ESS2-3

What is the measure of all salts dissolved in water called?

What causes ocean currents?

• Wind patterns

• Melting icebergs

• Temperature differences

• Gravitational pull

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NGSS.MS-ESS2-6

Which warm Atlantic Ocean current affects the climate of the eastern part of the United States?

• Arctic Ocean Current

• Pacific Ocean Current

• Gulf Stream

• Indian Ocean Current

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NGSS.MS-ESS2-6

What causes tides in the ocean?

• Wind patterns

• Temperature differences

• Gravitational pull of the moon and sun

• Melting icebergs

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NGSS.MS-ESS1-1

NGSS.MS-PS2-4

Which organisms float along with the current?

Which organisms can move about the water?

• Plankton

• Sharks

• Coral

• Whales