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Ocean Study Stack

QuestionAnswer
What is needed to create a water molecule? 2 hydrogen and 1 oxygen
What is cohesion? The attraction of molecules that are alike
What is adhesion? The attraction of molecules that are not alike
What causes drops to form? Cohesion and Adhesion
What happens when you add sugar to water? The sugar dissolves
Why does ice float on water? It is less dense
Why is water sometimes called the universal solvent? It is called this because it can dissolve a variety of substances
Why do water molecules attract each other? Cohesion
What are four criteria that scientists use to classify ocean zones? Amount of sunlight, temperature, salinity, and density
Where are the ocean trenches of an ocean? Deepest part of the ocean, 4,000 meters below surface
Are abyssal plains flat or uneven? flat
what does continental mean? land
In tropical region, as depth increases, temperature _________. decreases
In polar regions, as depth increases, salinity __________. increases
What are the two resources found on the seafloor? energy resources and minerals
Give two examples of things found on the seafloor. possible ex. oil, natural gas, methane, hydrates, gold, zinc, manganese, nodules
Define ocean current. a large volume of water flowing in a certain direction.
Define gyre. a circular system of currents
Name the 5 major gyres. north pacific, south pacific, north Atlantic, south Atlantic, Indian ocean
What is the benefit of upwelling? It brings cold, rich nutrients upward to support ocean organisms
In the southern hemisphere, currents curve to the left, in a _____________ direction. counterclockwise
In the northern hemisphere, currents curve to the right, in a _____________ direction. clockwise
Which of the 3 currents moves water horizontally? surface currents
Which currents move water from one place to another? all of them
Created by: teddybear17
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