Olivia Layson
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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| the density of ice is lower than the density of the same volume of liquid water, true/false? | true
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| what is cohesion? | the attraction among molecules that are alike
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| what is adhesion? | the attraction among molecules that are not alike
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| the density of freshwater is highest at what temperature? | 4 degrees celsius
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| in which states of matter can water exist in nature on earth? | all three solid,liquid,and gas
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| if you spill water on a counter it forms droplets, what causes these droplets to form? | cohesion
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| what two elements make a water molecule? | hydrogen, and oxygen
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| what is another name for the middle zone? | the twilight zone
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| what is another name for the deep zone? | midnight zone
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| what are the 3 continental margins? | continental shelf,slope,and rise
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| what are the 4 criteria scientists use when classifying ocean zones? | 1. amount of sunlight 2. temperature 3 .salinity 4. density
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| what is the surface zone like? | it has shallow sea waters, receives greatest amount of sunlight,and organisms that use photosynthesis live there
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| what is the middle zone (twilight zone) like? | it only receives blue-green light, but most of the lights wavelengths get absorbed
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| what is the deep zone (midnight zone) like? | they do not have any plants here,no light,the organisms living down there make their own light (bioluminescent)
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| for the tropical regions as depth increases temperature ________ | drops
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| for the tropical region as depth increases salinity _______ | drops
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| define ocean current | a large volume of water flowing in a certain direction
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| what are density currents caused by? | changes in density
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| define grye | a circular system of currents
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| name 5 major gyres | indian ocean,north pacific,north atlantic,south pacific,and south atlantic
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| in the southern hemisphere which way do the currents curve? | to the left (counterclockwise)
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| in the northern hemisphere which way do the currents curve? | to the right (clockwise)
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| what is the benefit of an upwelling? | it brings nutrient-rich water to the oceans surface
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| do cold water currents release less or more thermal energy and moisture in the air than warm water currents? | less
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Olivialayson
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