Saltwater Chemistry

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

• Ocean Acidification

• Rule of Constant Proportions

• Adhesion

• Salinity

The decreasing pH of the ocean is called _________________________.

• solutes

• Ocean Acidification

• Rule of Constant Proportions

• salinity

Tags

NGSS.HS-ESS2-6

________ is the amount of salt dissolved in seawater.

• cohesion

• Rule of Constant Proportions

• salinity

• Ocean Acidification

Water molecules sticking to substances other than water is called ______________________.

• adhesion

• cohesion

• salinity

• density

___________________________ are dissolved materials in seawater.

• Cohesion

• Solvents

• Ocean Acidification

• Solutes

When water molecules stick to other water molecules, it is called __________________.

• adhesion

• cohesion

• solutes

• salinity

How does transparency benefit photosynthetic organisms?

• It decreases the salinity of seawater.

• It allows them to see prey and predators.

• It allows them to create carbon dioxide.

• It allows them to create their own food.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

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

• Increases

• Decreases

• Stays the same

• Only fluctuates with temperature.

Why does sound travel faster in water than in air?

• Water is more dense than air.

• Water is less dense than air.

• Water is usually a lower temperature than air.

• Water is usually a higher temperature than air.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

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