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H2O

H2O notes

QuestionAnswer
What atoms are in a water molicule? 1oxygen2hydrogen
What is salinity? The amount grams of salt per thousand liters of water
What is the salinity of the ocean? 32-37ppt
What is the salinity of freshwater? Less than 0.5ppt
Which form of H2O is the least dense? Water vapor
Which form of H2O is the most dense? Liquid water
True or false salt can evaporate with ocean water? False
Why does ice float on water? It is less dense
What temp does water evaporate? 100C
What temp does water freeze? 0C
What temp does ice thaw at? 0C
What temp does water condense at? 100C
Water is cohesive or adhesive? Cohesive
True of false there are more than two main types of water? True
What is the salinity of brakish water? 0.5-17ppt
What is the salinity of distiled water? Below 0.1ppt
What does ppt stand for? Parts Per Thousand
What is an ocean current? A large body of water flowing in a certain direction
What are 5 major gyres? North and south pacific, North and south Atlantic, and the indian
On which hemisphere do the currents of the gyres spin clockwise? northern
Which current moves water up? upwelling
Which current moves water to the side? surface current
Which current moves water down? Density current.
What direction do southern hemisphere gyres spin? counter clockwise
True or false, upwelling currents are caused by wind? True
Created by: 304168
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