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Flashcards - Praxis Middle School Science: Bodies of Water

Flashcards - Praxis Middle School Science: Bodies of Water
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neretic zone
The neritic zone is the relatively shallow part of the ocean above the drop-off of the continental shelf, approximately 200 metres in depth
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Littoral zone
The littoral zone is the part of a sea, lake or river that is close to the shore
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hadal zone
The hadal zone , also known as the hadopelagic zone and trench zone, is the delineation for the deepest trenches in the ocean
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Surface water
Surface water is water on the surface of the planet such as in a river, lake, wetland, or ocean
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aquifers
An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials from which groundwater can be extracted using a water well
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Glaciers
A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation over many years, often centuries
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continental crust
The continental crust is the layer of igneous, sedimentary, and metamorphic rocks that forms the continents and the areas of shallow seabed close to their shores, known as continental shelves
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tsunami
A tsunami , also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake
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Thermohaline circulation
Thermohaline circulation is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes
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pelagic zone
Any water in a sea or lake that is neither close to the bottom nor near the shore can be said to be in the pelagic zone
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water cycle
The water cycle, also known as the hydrological cycle or the H2O cycle, describes the continuous movement of water on, above and below the surface of the Earth
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hydrosphere
The hydrosphere is the combined mass of water found on, under, and above the surface of a planet
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salinity
Salinity is the saltiness or dissolved salt content of a body of water
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salinity
Salinity is the saltiness or dissolved salt content of a body of water
hydrosphere
The hydrosphere is the combined mass of water found on, under, and above the surface of a planet
water cycle
The water cycle, also known as the hydrological cycle or the H2O cycle, describes the continuous movement of water on, above and below the surface of the Earth
pelagic zone
Any water in a sea or lake that is neither close to the bottom nor near the shore can be said to be in the pelagic zone
Thermohaline circulation
Thermohaline circulation is a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes
tsunami
A tsunami , also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake
continental crust
The continental crust is the layer of igneous, sedimentary, and metamorphic rocks that forms the continents and the areas of shallow seabed close to their shores, known as continental shelves
Glaciers
A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation over many years, often centuries
aquifers
An aquifer is an underground layer of water-bearing permeable rock, rock fractures or unconsolidated materials from which groundwater can be extracted using a water well
Surface water
Surface water is water on the surface of the planet such as in a river, lake, wetland, or ocean
hadal zone
The hadal zone , also known as the hadopelagic zone and trench zone, is the delineation for the deepest trenches in the ocean
Littoral zone
The littoral zone is the part of a sea, lake or river that is close to the shore
neretic zone
The neritic zone is the relatively shallow part of the ocean above the drop-off of the continental shelf, approximately 200 metres in depth
oceanic zone
The oceanic zone begins in the area off shore where the water measures 200 meters deep or deeper
Passive continental margins
A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin
subduction zone
Subduction is a geological process that takes place at convergent boundaries of tectonic plates where one plate moves under another and is forced down into the mantle
Ocean basins
In hydrology, an oceanic basin may be anywhere on Earth that is covered by seawater, but geologically ocean basins are large geologic basins that are below sea level
oceanic ridges
A mid-ocean ridge is an underwater mountain system formed by plate tectonics
asthenosphere
The asthenosphere is the highly viscous, mechanically weak and ductilely deforming region of the upper mantle of the Earth
lithosphere
A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite that is defined by its rigid mechanical properties
sinkhole
A sinkhole, also known as a cenote, sink, sink-hole, shakehole, swallet, swallow hole, or doline , is a depression or hole in the ground caused by some form of collapse of the surface layer
water table
The water table is the surface where the water pressure head is equal to the atmospheric pressure
zooxanthellae
Zooxanthellae are single-celled protozoans that are able to live in symbiosis with certain marine invertebrates
benthic zone
The benthic zone is the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers
continental margin
The continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust
continental shelf
The continental shelf is an underwater landmass which extends from a continent, resulting in an area of relatively shallow water known as a shelf sea

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