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Ocean Review

Properties/Currents/Composition

QuestionAnswer
What is the attraction among molecules that are alike? Cohesion
What is the attraction among molecules that are not alike Adhesion
Is the oxygen molecule in a water molecule positive or negative? Negative
Are the two hydrogen molecules in a water molecule positive or negative Positive
Is the density of fresh water greater or lower at 4 degrees Celsius? Greater
Is this statement true or false. The density of ice is lower than the density of the same amount of water True
Are the particles in liquid water closer together or farther apart? Farther Apart
Is this statement true? Water has a high specific heat. True
What is a measure of the mass of dissolved solids in a mass of water? Salinity
What is Seawater? Water that comes from the ocean
What is Brackish water? A combination of seawater and freshwater
What is an Abyssal Plain? Large, flat areas of the seafloor that extend across the deepest parts of the ocean basins
What is a Mid-ocean ridge? Places on the seafloor where tectonic plates pull apart, and where volcanic mountains form.
What are Ocean trenches? The deepest part of the ocean
List the 4 criteria that scientists use when classifying the ocean zones The amount of sunlight, the temperature,the salinity ,the density
What are the 3 zones of the ocean? Surface zone, Middle zone, and Deep zone
What is a current? A river of water running through the ocean
What causes ocean currents? Wind, density,and gravity
How many Gyre currents are there in the world's oceans? 5
Why do fish depend on currents? For their food
What are thermohaline currents? Warm, salty ocean currents
Are the flow of the northern and southern hemisphere currents the same or opposite? Opposite
What is the most powerful current? The Gulf Stream
What are the 2 most common currents? Surface currents and Deep currents
Created by: bulldoglover827
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