Water Properties
Sea water Physical properties
Sea water Chemical properties
Carbon Cycle and Ocean acidication
Ocean Layers
100

The property of water where water is attracted to other water 

What is cohesion?

100

What is used to measure water clarity?

What is a secchi disk?

100

The amount of salt in the water?

What is salinity?

100

Where is CO2 entering the ocean?

What is at the surface?

100

The transition layer where temperature decreases rapidly with depth?

What is the thermocline?

200

What type of bonds hold a single water molecule together?

What are covalent bonds?

200

The type of light that penetrates the deepest making everything this color?

What is blue?

200

What is the average salinity of the ocean?

What is 35 ppt?

200

CO2 that lowers pH in seawater is known as this?

What is ocean acidification?

200

90% of fish live in this zone?

What is epipelagic?

300

What type of bonds are responsible for surface tension, allowing a bug to sit on water?

What are hydrogen bonds?

300

An organism that lives in the first 6 feet of water is under how much pressure?

What is 2 atm?

300

What 2 ions compose 85% of the material dissolved in sea water?

What is sodium and chloride?

300

What is the average pH of the ocean?

What is 8.1?
300

The deepest of all ocean zones, caused by trenches.

What is hadal zone?

400

What is extremely unusual when water is a solid?

What is it is less dense/floats

400

How fast does water travel underwater?

What is 4.5 times faster than on air/ 1520 m/s?

400

Name 2 circumstances that could cause a slightly lower salinity of ocean water?

What is glaciers or icebergs melting, heavy rainfall, rivers flowing into ocean?

400

What type of organisms are hindered by ocean acidification?

What are animals with shells, skeletons, that need calcium carbonate?

400

The layer of the ocean known as the Twilight zone. Host the largest vertical migration on earth.

What is Mesopelagic?

500

From what source(s) do sodium, potassium, and magnesium ions enter the oceans?

What is rivers?

500

Where does low frequency sound travel thousands of km underwater, allowing whales to communicate?

What is the Deep Sound Channel?

500

This important material feeds deep-sea organisms on its way from shallow ocean to depths?

What is marine snow?

500

CO2 can react with H2O in the ocean to form what compound? 

What is Carbonic acid?

500

This ocean zone (from 1000m-4000m) only has light produced by bioluminescent animals?

What is bathypelagic zone?