Free Printable AICE Marine Chapter 7

Worksheets

AICE Marine Chapter 7

Total questions: 24

Worksheet time: 17mins

Name

Class

Date

What is the main "salt" in the ocean?

Magnesium Sulfate

Sodium Chloride

Calcium Carbonate

What is the MAIN way that salts are added to the oceans?

Mid-Ocean Ridges

Volcanoes

Fish waste

River input

How is salinity usually expressed?

As parts per hundred (%)

As parts per thousand (‰)

As parts per million

solute + solvent =

solution

equation

What will happen to density as temperature decreases?

Density increases

Density decreases

As salinity increases

Density increases

Density decreases

Which of the following can INCREASE salinity?

Melting of sea ice

Evaporation

Precipitation

Runoff

True or False Salinity increases as ocean depth increases.

True

False

Does salt water have a higher or lower viscosity than fresh water?

Higher

Lower

10.

Will a basic solution contain a higher percentage of H+ ions or OH- ions?

H+

OH-

11.

A strong acid could have which of the following pH values?

12.

What is the MAIN factor that affects how well gases dissolve in seawater?

Pressure

Temperature

Salinity

13.

Which gas dissolves easier in sea water?

Oxygen

Carbon Dioxide

14.

Which gas will DECREASE at lower depths?

Oxygen

Carbon Dioxide

15.

What is the density formula?

Volume / mass

Volume x mass

Mass / volume

Salinity x mass

16.

What is the name of the layer between the surface and the deep ocean where salinity increases significantly?

Halocline

Pycnocline

Thermocline

Middle Earth

17.

What is a thermocline?

Region of significant density change

Region of significant temperature change

Region of significant salinity change

18.

How do thermoclines in tropical areas compare to polar regions?

Steeper temperature change

Less steep temerature change

Thermoclines not present in tropics

19.

What is shown by the BLUE line in the image?

Pycnocline

Thermocline

Halocline

20.

Which mechanism can give the MOST accurate pH reading?

Litmus paper

pH probe

Universal Indicator

21.

About what percentage of the ocean is considered the "deep" zone?

0.06

0.4

0.02

0.8

22.

What is the saltiest body on water on Earth?

Pacific Ocean

Mississippi River

Dead Sea

Don Juan Pond

23.

A solution with a high percentage of OH- ions could be described as....

A strong acid

A weak acid

A weak base

A strong base

24.

What is the main "salt" in Don Juan Pond?