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Ocean Study Stack

It is not hard.....Noah Palozzi

QuestionAnswer
What are the two sources of water for Earth's oceans? Condensation that is expelled from volcanoes as water vapor and Asteroids/comets.
What is the world's largest and deepest ocean? The Pacific Ocean.
What are the four criteria that scientists use to classify Ocean Zones? Sunlight, Temperature, Salinity, and Density.
Name the 3 Ocean Zones. Surface Zone, Middle Zone, Deep Zone.
As the depth increases in the Polar Regions, Temperature _____. Stays the same.
Describe the Mid-ocean ridges. Tectonic plates pulled apart to form volcanic mountain range, tallest and longest on Earth.
What Energy Resources can be found on the Seafloor? Oil, Natural Gas, Methane Hydrates.
Define Salinity. Measure of the mass of dissolved solids in a mass of water.
What is so unique about water's (H2O) solid form, ice? It is less dense than its liquid form.
The density of freshwater is highest at what temperature? 4 degrees Celsius.
What is a substance that dissolves when placed in water? Sodium chloride.
Define Cohesion. The attraction among molecules that are similar.
Define Adhesion. The attraction among molecules that are different.
State what two molecules create a water molecule, how many of each molecule there is, and which molecules have which charge. 1 Oxygen molecule (-), 2 Hydrogen molecules (+).
How many forms of matter does H2O appear as in the natural world? All three, as a liquid (water), as a gas (water vapor), and as a solid (ice).
Define Polarity. A condition in which opposite ends of a molecule have slightly opposite charges, but the overall charge of the molecule is neutral.
Define Gyre. It is a circular system of currents.
Where do upwellings bring the cold water in the Pacific and Indian Oceans due to the Great Ocean Conveyor Belt? It is brought to the surface where it is then warmed by the sun.
If coastal areas of the southeastern U.S are experiencing warm and humid summer evenings with frequent rain, what is the cause? The Gulf Streams transfers strong thermal energy to the land.
Explain why upwellings occur, and at least one benefit from it. When wind blows across the ocean's surface and pushes water away from the area and the water can be easily purified due to nutrient-rich water.
Define an ocean current. A large volume of water flowing in certain direction.
What is the cause of density currents? Due to changes in density.
Identify five major gyres. There is the; North Pacific, Indian ocean, North Atlantic, South Pacific, and South Atlantic gyres.
Identify the effect the Coriolis Effect has on surface currents. In the northern hemisphere, currents curve right and clockwise, while in the southern hemisphere, the currents curve left and counterclockwise.
Describe how do prevailing winds influence surface currents and how the currents move the water. They influence formation and direction of the surface currents and move horizontally and can reach depths of 400 meters or even more.
Describe seawater and brackish water. Seawater: Water from a sea or ocean, average salinity of 35 ppt. Brackish: Freshwater mixed with seawater, average salinity of 1-17 ppt.
How are water molecules so attracted to each other? The slightly negative oxygen atom of one molecule attracts slightly positive hydrogen atoms of other water molecules which produces an attraction.
Created by: FatWario96
 

 



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