Temperature, Salinity, & Density Review

Which of the following types of water would SINK the fastest?

• warm and salty

• cold and salty

• warm and fresh

• cold and fresh

Where is ocean water the densest.

• The surface
• The middle
• The bottom

Which of the following will increase ocean salinity:

• Evaporation

• Sea ice formation

• Precipitation (Rain)

• Runoff

• Icebergs melting

Which of the following will decrease ocean salinity:

• Evaporation

• Sea ice formation

• Precipitation (Rain)

• Runoff

• Icebergs melting

A higher salinity leads to ​ (a)   density​

• a greater
• a lower
• no change in

Organize these options into the right categories

Groups:

(a) Increases ocean salinity

,

(b) Decreases ocean salinity

• precipitation

• formation of sea ice

• Icebergs melting

• sea ice melting

• evaporation

• Runoff from land

 As the temperature of ocean water changes from 10 to 30 degrees C, how does the density change?

• The water becomes more dense
• The water becomes less dense
•  The density does not change 
•  It is impossible to predict

 The density of ocean water is influenced by what two factors?

•  Salinity and temperature
• Water color and chlorophyll
•  Dissolved gases and dissolved solids
•  Dissolved carbon and trace elements

 What is true about the water on the bottom of the ocean?

•  It is the saltiest water found in the ocean
• It is the densest water found in the ocean
•  It is not frozen because sunlight warms it up
•  It does not move

Warmer water will remain ______ because ________

• at the surface; lower density than cool water

• at the surface; higher density than cool water

• deep; lower density than cool water

• deep; higher density than cool water