Ocean Review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| (P.O.W.)Why is Ice is less dense than water | As water freezes the molecules spread out in a six-sided pattern.
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| (P.O.W.)Why can some insects walk on the surface of water. | water molecules at the surface of water have enough cohesion
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| (P.O.W.)why does sodium dissolve when put in water | attractions cause the sodium and chloride ions to break apart in water, or dissolve.
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| (P.O.W.)What is polarity | Polarity is a condition in which opposite ends of a molecule have slightly opposite charges, but the overall charge of the molecule is neutral
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| (P.O.W.)what is a water atom made out of and the charges of each one | 2 Hydrogen charge positive,1 Oxygen charge negative
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| (P.O.W.)Why is water called the universal solvent | because so many substances can dissolve in it
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| (P.O.W.)What makes water a unique compound | B/c water is the only substance that exists in nature as a solid, a liquid, and a gas
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| (P.O.W.)The density of freshwater is greatest at what temperature | 4 degrees Celsius
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| (O.C)What is a effect of a Coriolis effect | The Coriolis effect causes fluids to move clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere
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| (O.C)What is upwelling | The vertical movement of water toward the ocean’s surface
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| (O.C)What is another type of vertical current | A density current
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| (O.C)What is a density current | Density currents move water downward,they carry water from the surface to deeper parts of the ocean
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| (O.C)True or false cold water is denser than warm water | True
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| (O.C)What happens when a surface current moves toward a polar area | the water cools
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| (O.C)When seawater freezes what happens to the salt | The salt is left behind in the surrounding water
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| (O.C)Density currents are important components of what | Ocean circulation
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| (O.Comp.)2 sources of water for earths oceans | Water from volcanoes,melted ice from comets and asteroids
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| (O.Comp.)What is salinty | The measure of the mass of dissolved solids in a mass of water
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| (O.Comp.)Fresh water mixed with seawater is called | Brackish water
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| (O.Comp.)Where dose salinity(salt) in the ocean come from | Rain washes over rocks dissolves minarals and rivers and streams carry it to the oceans
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| (O.Comp.)4 criteria that scientist use to classify ocean zones | amount of sun light,salinity,density,temperture
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| (O.Comp.)What is the deepest part of the ocean | Ocean trench
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| (O.Comp.)How many ocean zones are there and what are they | surface zone, middle zone, deep zone
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| (O.Comp.)What are some natural resources from the ocean floor | oil,natural gas and methane
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Created by:
Dax424
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