What are a circular system of currents in the Earth's major oceans?

• ocean current

• gyre

• upwelling

• conveyor belt

Tags

NGSS.MS-ESS2-6

When a large surface current has lost a lot of heat due to evaporation, it becomes more cool, ______&_____, so it sinks.

• less salty & more dense

• less salty & less dense

• more salty & less dense

• more salty and more dense

Tags

NGSS.MS-ESS2-6

Which of the following involves water from deep currents rising to the surface to replace warm currents moving toward the poles?

• evaporation

• freezing of the surface of the water

• upwelling

• squeezing solids out of the ice down into the water below

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Seawater is typically denser than freshwater due to seawater’s —

• Greater depth

• Lower freezing point

• Smaller mass

• Higher salinity

Where is ocean water the densest.

• The surface

• The middle

• The bottom

• Lake Michigan

Draw a color diagram of what you observe happening in the video. Show what happens to the warm water and the cold water - label this in your explanation

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Explain how these two models relate to the real ocean and thermohaline circulation. Make sure you identify how each part of the model shows what is happening in the real-world thermohaline circulation of the ocean. Feel free to add an image to support your answer.

Tags

NGSS.MS-ESS2-6

What is the primary driving force behind thermohaline circulation in the ocean?

• Wind patterns

• Temperature and salinity differences

• Tidal forces

• Earth's rotation

Tags

NGSS.MS-ESS2-6

Which of the following best describes the term 'thermohaline'?

• Related to temperature and salinity

• Related to ocean currents and wind

• Related to marine life and ecosystems

• Related to atmospheric pressure and humidity

Tags

NGSS.MS-ESS2-6

In which ocean layer does thermohaline circulation primarily occur?

• Surface layer

• Thermocline

• Deep ocean

• Continental shelf