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What 3 regions do the Conitental margins have? The slope, shelf, and shoreline.
How did Earth's oceans become salty? Rocks and minerals from mountains slide down and go into the oceans over time.
What is salinity? A measure of the mass of dissolved solids in a mass of water.
Identify 5 of Earths oceans. Pacific, Atlantic, Indian, Southern, Artic.
What percentage of Earth's surface is ocean water? 71% is ocean water.
What is polarity? When only one molecule has one positively charged side and a negitively charged side.
Which of Earth's oceans is the deepest? The Pacific ocean.
Define an ocean current. A large volume of water flowing in a certain direction.
Define a gyre. A circular system of currents.
What are five ways in which water is a unique compound? 1. Exists as a solid, liquid, and gas. 2. forms dots. 3. high heat. 4. dissolves. 5. 3 atoms.
In the southern hemisphere, currents curve to which direction? Right, in a counter clockwise direction.
In the northern hemisphere, currents curve to which direction? Left, in a clockwise direction.
Positive sodium atoms are attracted to positive or negative oxegyn atoms? Negitive atoms.
Explain cohesion. Alike molecules come together.
Explain adhesion. Two different molecules come together.
What are two sources of water for Earth's oceans? Condensation and astroids.
Describe the surface zone in the ocean. Shallow seawater.
Describe the middle zone in the ocean. Most of lights wavelengths have absorbed.
Describe the deep zone of the ocean. Plants do not grow.
What is another name for the middle zone? The twilight zone.
What is the average depth of ocean trenches? 4,000 meters.
What are some examples of methane hydrates? Oil and natural gas.
What are some examples of minerals? Maganese nodules.
Cite 4 criteria scientists use when classifying ocean zones? Sunlight, tempature, salinity, and density.
Created by: ellemall