Properties of Seawater

Multiple Choice

What color is absorbed the least in the ocean?

• Blue

• Green

• Yellow

• Red

Multiple Choice

______ is a physical property that is beneficial to photosynthetic organisms.

• Sount propagation

• Transparency

• Salinity

• Viscosity

Multiple Choice

Sound travels over ___ times faster in water than it does in air.

• 2

• 10

• 5

• 4

Multiple Choice

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

• Pressure decreases by 1 atm every 10 meters

• Pressure increases by 1 atm every 10 meters

• Pressure increases by 10 atm every 10 meters

Multiple Choice

True or false: Sound waves will travel faster when salinity or pressure is higher.

• True

• False

Multiple Choice

True or false: The temperature of the air and water both fluctuate equally.

• True

• False

Open Ended

Which 2 solutes have the greatest percentage of dissolved components in seawater?

Open Ended

What is the rule of constant proportions?

Multiple Choice

True or false: Evaporation will remove pure water from seawater but will be added back in through precipitation.

• True

• False

Dropdown

As the temperature of seawater​

Select answer

, it's density ​

Select answer

.

Dropdown

Carbon dioxide makes up more than ​

Select answer

% of the dissolved gases in seawater

Match

Match the term with the correct definition

• Transparency

• Solutes

• Salinity

• Cohesion

• Adhesion

Ability for light to penetrate the ocean

Dissolved materials

Total amount of salt dissolved in ocean

Sticking together of the same substance

Different substances sticking together

• Ability for light to penetrate the ocean

• Dissolved materials

• Total amount of salt dissolved in ocean

• Sticking together of the same substance

• Different substances sticking together

Multiple Select

The three most important gases dissolved in seawater are:

• Oxygen

• Chlorine

• Carbon Dioxide

• Nitrogen

• Hydrogen

Fill in the Blank

What is caused by the lowering of the pH of the ocean?

Dropdown

The ocean absorbs about ​

Select answer

% of the ​

Select answer

released into the atmosphere.

Open Ended

What species are the most at risk of the negative restults of ocean acidification and why?

Multiple Choice

True or false: Plankton are not affected by the increase in atmospheric Carbon dioxide.

• True

• False

Multiple Choice

True or false: Many marine organisms have internal temperatures that differ from the temperature of the surrounding water.

• True

• False