Chemical and Physical Properties of Oceans/Water

A measurement of the dissolved solids in seawater, which is a standard measurement of 35‰ at 0°C.

• Diffusion

• Saturation

• Precipitating

• Salinity

• Chlorinity

True or False? The most abundant compound in seawater is salt.

• True

• False

Tags

NGSS.MS-PS1-1

Which of the following are the major mineral components of seawater?

• sodium and chlorine

• nitrogen and oxygen

• granite and limestone

• water and carbon dioxide

Tags

NGSS.MS-PS1-1

Which of the following depicts the most abundant source of sea salts?

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-1

Which of the following situations would decrease the salinity in a given region of the ocean? CHOOSE ALL THAT APPLY!

• 
• 
• 
• 

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

As seawater temperature decreases, its density:

• increases.

• decreases.

• remains the same.

• rises.

Tags

NGSS.MS-PS1-4

Which of the following most accurately describes what is illustrated in this diagram?

• the oceanic conveyor belt

• the ocean's gyres

• the ocean's major currents

• atmospheric prevailing winds

Tags

NGSS.MS-ESS2-6

Which of the following processes bring greater concentrations of dissolved nutrients up to the ocean surface?

• upwelling

• lithification

• erosion

• tectonics

Which of the following best describes this organism?

• Nekton

• Benthos

• Plankton

• Abyssal

Tags

NGSS.MS-LS4-2

A marine organism that has evolved to dark, cold conditions would probably live in which of these life zones. CHOOSE ALL THAT APPLY!

• the Aphotic Zone

• the Abyssal Zone

• the Intertidal Zone

• the Pelagic Zone

Tags

NGSS.MS-LS1-5

NGSS.MS-LS4-4