Waves, Currents, Tides

Surface currents...

• occur below the surface of the water.
• occur above the surface of the water.
• occur on the surface of the water.
• All of the above.

Tags

NGSS.MS-ESS2-6

What is the same about density currents and surface currents?

• circular flow
• caused by temperature
• generated by wind
• direction is altered by landforms in their path

Tags

NGSS.MS-ESS2-6

Density currents are caused by...

• density differences caused by temperature & salinity. 
• changes in wind directions.
• prevailing winds.

Tags

NGSS.MS-ESS2-6

The development of a wave usually begins with

• currents

• wind

• gravity

• tsunamis

The rise and fall of Earth's waters on its coastlines are called

• currents

• tides

• waves

• gravity

Tags

NGSS.MS-ESS2-4

A _____________________________ tide is produced when the Earth, and sun are aligned as in the diagram

• neap tide

• spring tide

• high tide

• low tide

Tags

NGSS.MS-ESS1-1

What kind of tide (spring or neap) will occur when the moon is at position F?

• spring

• neap

Tags

NGSS.MS-ESS1-1

In which direction do most warm currents move?

• Away from the Earth’s poles

• Away from Earth’s equator

• Away from cold currents

• In the same direction as waves

Tags

NGSS.MS-ESS2-6

Surface ocean currents are generated mostly by

• the Coriolis effect
• water density
• tides
• wind

Tags

NGSS.MS-ESS2-6

___________ current is caused by the movement of the earth and by the force and direction of the wind.

• Surface

• Through

• Barrier

• Inlet

Tags

NGSS.MS-ESS2-6