Currents, Waves, and Tides

A _____ is a transfer of energy from one water molecule to the next.

• current
• wave
• breaker

Tags

NGSS.MS-PS4-1

NGSS.MS-PS3-5

What is the lowest point of a wave called?

• crest
• trough
• breaker
• peak

Density currents are caused by...

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

Which type of ocean movement can be described as the rise and fall of sea level, mostly due to the gravitational influence of the moon?

• Current

• Wave

• Tide

Surface currents are formed by

• the moon's gravity

• global winds

• the sun's gravity

• increased water density

Tags

NGSS.MS-ESS2-6

The gravitational pull that the moon exerts on Earth is

• greater on solids than liquids

• the main cause of high and low tides

• responsible for longshore currents

• responsible for tsunamis

Tags

NGSS.MS-ESS1-1

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

NGSS.MS-ESS2-4

How does the Gulf Stream affect climate?

• it moves cold water around the Gulf of Mexico

• it moves warm water from the equator to along the eastern coast of the US

• it moves cold water from the equator to the poles

• it moves warm water from the poles to the equator

Tags

NGSS.MS-ESS2-6

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