Unique Nature of Pure Water (Section 1)
In an H20 compound, what elements are bonded together?
Hydrogen and Oxygen!
Is water relatively transparent?
Yes
What is the average salinity of the ocean in parts per thousand (ppt)?
35 ppt
What greenhouse gas dissolves into the ocean to cause acidification?
CO2
Which ocean layer receives the most sunlight?
Sunlight layer / Photic zone (or Epipelagic)
What three states of matter can water appear in?
Solid, Liquid, and Gas
Does pressure increase or decrease with ocean depth?
Increase
Which two ions make up about 85% of the dissolved solids in sea water?
Sodium and Chloride
When CO2 dissolves in sea water, does it make the ocean more acidic or basic?
More acidic
What is the twilight zone layer also known as?
Mesoplegic Zone
Temperature is measured by thermometers in degrees ___ ___ and ___
Celsius, Kevin, and Fahrenheit
What is used to measure water clarity?
Secchi disk
What is the normal pH range of ocean water?
7.5-8.4
Which marine organism shells/skeletons are most vulnerable to acidification?
Calcium carbonate shells
Which deep ocean layer has pitch black darkness and freezing temperatures?
I
Abyssal zone (or Bathypelagic/Midnight zone)
The attraction of one water molecule to another is known as?
Hydrogen Bonding
What two things are marine organisms constantly under the weight of?
Water and the Atmosphere
What gas is most abundant in dissolved gases in the ocean?
Nitrogen
What ion becomes less available to marine life as the ocean acidifies?
Carbonate ion
What layer of rapid temperature change separates warm surface water from deep cold water?
Thermocline
What does water have one of the highest of compared to any other given substance?
Heat Capacity
As depth increases in the ocean, what happens to the temperature?
It decreases
What property describes total dissolved salts in water?
Salinity
The movement of carbon through land, atmosphere, and oceans is called what?
The carbon cycle
What layer of rapid salinity change is known as a _________?
Halocline