Properties of Seawater

Major dissolved ions in seawater occur everywhere in seawater in the same proportion. This is called ___________________.

• Ocean Acidification

• Rule of Constant Proportions

• Adhesion

• Salinity

________ is the amount of salt dissolved in seawater.

• cohesion

• Rule of Constant Proportions

• salinity

• Ocean Acidification

___________________________ are dissolved materials in seawater.

• Cohesion

• Solvents

• Ocean Acidification

• Solutes

How could salinity increase or decrease?

• Removal and addition of pure water.

• Increase in a variety of dissolved gases.

• Increase the pH of seawater.

Tags

NGSS.MS-ESS2-4

Seawater is typically denser than freshwater due to seawater’s _______________.

• higher salinity

• lower freezing point

• smaller mass

• greater depth

What is the typical pH level of seawater?

• About 5.5

• About 7.5

• About 8.1

• About 9.0

The density of ocean water is affected by temperature and ______________.

• salinity

• warmth

As the temperature of seawater decreases (decreases, increases), it’s density increases (decreases, increases).

• decreases, increases

• increases, increases

• decreases, decreases

• increases, decreases

Tags

NGSS.MS-PS1-4

The speed of _____________________ can change in seawater due to temperature, salinity and pressure.

• gasses

• light

• sound

• salinity

Tags

NGSS.MS-PS4-2

Which is denser? Cool seawater or warm seawater?

• warmer

• cooler

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4