Oceanography, Salinity, and Water Distribution

In addition to salinity, what factor affects the density of seawater?

• depth
• latitude
• temperature
• salt content

What is the most abundant salt in the sea?

• calcium chloride
• potassium chloride
• magnesium chloride
• sodium chloride

The highest salinity would be found in which of the following areas?

• an area with high rates of precipitation
• an area with high rates of evaporation
• an area with plenty of runoff
• all of the above

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What term is the measure of dissolved salts in water?

• Thermocline
• Salinity
• Saltiness
• Tides

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water

Tags

NGSS.MS-ESS2-4

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Tags

NGSS.MS-ESS2-4

The supply of freshwater under the Earth's surface.

• watershed
• mouth
• headwaters
• groundwater

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

Which source of freshwater is not easily available for human use?

• oceans
• freshwater lakes
• rivers
• icecaps/glaciers

As we go deeper into the ocean, salinity ___________. 

• Doubles
• Decreases 
• Increases
• Remains the same 

What percentage of water can be found in clouds? 

• 2%
• 1%
• 25%
• 0.1%

Tags

NGSS.MS-ESS2-4