Properties of Seawater

Ocean acidification lowers the __________________ of seawater.

• salinity

• density

• pH

• temperature

Tags

NGSS.MS-PS1-2

Which two solutes make up the largest percentage of dissolved material in seawater?

• Sodium, Sulfate

• Chloride, Magnesium

• Sodium, Chloride

• Sulfate, Magnesium

What happens to the pressure of water as you go deeper into the ocean?

• Increases

• Decreases

• Stays the same

• Only fluctuates with temperature.

Salinity is measured in parts per ___________.

• ten

• hundred

• thousand

• hundred thousand

Which of the following could remove pure water from seawater?

• Increasing the temperature of seawater.

• Evaporation

• Melting of Polar Ice Caps

• Increasing salinity.

Tags

NGSS.MS-ESS2-4

is the amount of salt dissolved in seawater.

• Cohesion

• Rule of Constant Proportions

• Salinity

• Ocean Acidification

What is the average salinity of seawater?

• 1.5%

• 3.5%

• 5.5%

• 7.5%

Which property of seawater affects its density the most?

• Temperature

• Salinity

• Pressure

• pH

What is the main reason seawater is denser than freshwater?

• Higher temperature

• Presence of dissolved salts

• Lower pH

• Greater depth

Which gas is most abundant in seawater?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon