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Ocean Review

Properties/Composition/Currents

QuestionAnswer
What are the three parts of a water molecule? One Oxygen and Two Hydrogen's.
What is the charge of Oxygen? Negative
What is the charge of Hydrogen? Positive
Sodium ________ breaks apart or dissolves. Chlorine
What is Cohesion? The attraction among molecules that are alike.
What is Adhesion? The attraction among molecules that are not alike.
What degrees Celsius is freshwater densest? 4 degrees Celsius
What is Polarity? A condition in which opposite ends of a molecule have slightly opposite charges, but the overall charge of the molecule is neutral.
What is the largest and deepest ocean in the world? Pacific Ocean
What is seawater? Water from the sea or ocean and has an average salinity of 35 ppt.
What is brackish water? Freshwater mixed with seawater.
What is Salinity? A measure of the mass of dissolved solids in a mass of water.
What are the three parts of the Continental Margins? Continental Shelf, Continental Slope and Continental Rise.
What is an Abyssal Plains? A large, flat area of the sea floor that extends across the deepest parts of the ocean basins.
Explain why river water near an ocean is sometime salty. As the river pours into the ocean and tides rise and fall, the freshwater of a river mixes with salty ocean water. When freshwater mixes with salt water, it becomes brackish.
In Tropical Regions, What happens to Salinity as waters depth increases? Salinity Decreases.
What are ocean currents caused by? Wind
The heat from the sun evaporates the water in the ocean leaving only _____ behind. salt
True or false: Warm air holds more heat than warm water. False
What is an Ocean Current? A river of water running through the ocean.
Has the amount of salt in the ocean changed or has not changed? Has not changed.
Thermohaline currents are ____ salty ocean currents. warm.
What is sea level? Is land that is the same height or level as the sea.
Do fish need moving water for food? Yes
Created by: rileydougherty3
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