Ocean Quiz

What does salinity measure?

• ocean temperature

• amount of salt in water

• ocean pressure

• ratio of mass to volume

What are the two main ocean currents called? (Choose 2)

• surface currents

• Coriolis effect

• deep ocean currents

• wind currents

Tags

NGSS.MS-ESS2-6

The use of sound waves to determine the depth of the ocean is called...

• submarine sounding

• sonar

• satellite altimetry

• submersible sounding

What is the most plentiful compound in the ocean?

• calcium chloride

• magnesium chloride

• sodium chloride

• table salt

Which term refers to a rapid change of temperature with increasing depth of the ocean?

• pycnoliine

• thermocline

• abyssalocline

• isothermalcline

Because of the Coriolis Effect, surface currents in the Southern Hemisphere are deflected to the

• left

• right

• north

• south

Tags

NGSS.MS-ESS2-6

Which term describes the rising of cold water from deeper layers to replace warmer surface water?

• density current

• downwelling

• surface current

• upwelling

The five huge circular-moving systems of ocean surface currents are called

• density currents

• gyres

• fetches

• drifts

Tags

NGSS.MS-ESS2-6

What causes surface waves?

• underwater volcanoes

• earthquakes

• wind

• landslides

Differences in the moon and sun's pull on different sides of the earth cause

• gravity

• lunar phases

• tides

• dabbing