Oceanography Quiz

What is a mass of ocean water that flows from one place to another?

• Air mass

• Horizontal flow

• Ocean current

• Thermocline

What percentage of the Earth’s surface is covered by water?

• 35%

• 50%

• 71%

• 87%

What is the difference between an ocean and a sea?

• Size

• Salt water content

• Location

• Whether or not it is surrounded by land

Which ocean has the most coastline?

• Atlantic

• Pacific

• Indian

• Southern

What is the “saltiest” body of water on the planet?

• Atlantic Ocean

• Indian Ocean

• Dead Sea

• Caspian Sea

Which ocean zone is the deepest?

• Epipelagic

• Mesopelagic

• Bathypelagic

• Abyssopelagic

What is the ultimate cause of wind?

• The Sun

• The Moon

• Temperature difference in oceanic zones

• Temperature differences in atmospheric layers

During the day, convection causes wind to blow

• from the water to land

• from land to the water

• neither

• both

What is a change in ocean water level due to gravity from the moon

• current

• salinity

• thermocline

• tide

What are huge circular-moving current systems that dominate the surfaces of the oceans

• Coriolis effect

• Gyre

• Neap tide

• Upwelling