Chapter 5 Properties of Water – Flashcards
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Polarity
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Separation of an electric charge in a molecule.
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Cohesion
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The attraction of water molecules to other water molecules.
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Adhesion
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The attraction of water molecules to other polar molecules.
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Adhesion
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The attraction of water molecules to other polar molecules.
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Ectothermic
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Cold-blooded organisms.
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Endothermic
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Warm- blooded organisms.
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Thermocline
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A narrow zone that separates warm surface water from cool bottom water.
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Archimedes Principle
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The buoyant force on a submerged object is equal to the weight of the fluid that is displaced by the object.
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Salinity
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The total amount of solid material dissolved in water.
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Halocine
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A zone of rapid change in salinity.
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Stenohaline
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Organisms that cannot tolerate changes in salinity.
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Euryhaline
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Organisms that can adapt to some fluctuation in salinity.
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Acids
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Higher concentrations of hydrogen ions that pure water.
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Bases
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Lower concentration of hydrogen ions that pure water.
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Photic Zone
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Light is present (10% of the ocean).
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Aphotic Zone
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No light is present (90% of the ocean).
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Turbidity
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A measure of suspended solids.
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Secchi disk
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A device used to measure turbidity.
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Compensation Zone
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The depth were the rate of photosynthesis is equal to the rate of respiration.
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Compensation Zone
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The depth were the rate of photosynthesis is equal to the rate of respiration.
