Ocean Currents

Salinity is a measure of which of the following in water

• chlorine

• oxygen

• hydrogen

• dissolved salts

The most dense ocean water is generally found

• at the surface

• in the warmest parts of the ocean

• in the deepest parts of the ocean

• in the middle of the ocean

A large stream of moving water that flows through the ocean is called

• wave

• tide

• undertow

• current

Tags

NGSS.MS-ESS2-6

Deep currents are caused mostly by

• winds

• the Coriolis Effect

• waves

• differences in density

Tags

NGSS.MS-ESS2-6

Slow-moving, cold currents may rise to the surface. This ________ of cold water carries food particles to the surface.

• crest

• upwelling

• rip current

• tide

Tags

NGSS.MS-ESS2-6

An increase in ocean salinity can increase the __________, creating a current.

• wavelength of a wave

• density of water

• the Coriolis Effect

• wave height

Tags

NGSS.MS-ESS2-6

If you were floating in a raft in the Gulf Stream, you and the raft would________________.

• not move with the water

• move back and forth

• move with the current

• move in a circular motion

Tags

NGSS.MS-ESS2-6

Why are ocean currents important?

• ocean currents allow people to sail around the world

• ocean currents move the continents from one place to another

• ocean currents move heat energy from the equator to the poles

• Ocean currents affect the rotation of the Earth

Tags

NGSS.MS-ESS2-6

motion of the ocean created by wind patterns

• waves

• tides

• currents

Tags

NGSS.MS-ESS2-6

causes the curving of winds due to Earth's rotation on its axis

• Gyres

• Currents

• Coriolis effect

• Gulf Stream

Tags

NGSS.MS-ESS2-6