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Flashcards - Praxis Middle School Science: Earth's Structure

Flashcards - Praxis Middle School Science: Earth's Structure
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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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biosphere
The biosphere is the global sum of all ecosystems
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atmosphere
An atmosphere is a layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body
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weathering
Weathering is the breaking down of rocks, soil and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, waters and biological organisms
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faults
In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock mass movement
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faults
In geology, a fault is a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement as a result of rock mass movement
weathering
Weathering is the breaking down of rocks, soil and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, waters and biological organisms
atmosphere
An atmosphere is a layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body
biosphere
The biosphere is the global sum of all ecosystems
hydrosphere
The hydrosphere is the combined mass of water found on, under, and above the surface of a planet
crust
In geology, the crust is the outermost solid shell of a rocky planet or natural satellite, which is chemically distinct from the underlying mantle
mantle
The mantle is a layer inside a terrestrial planet and some other rocky planetary bodies
hot spots
In geology, the places known as hotspots or hot spots are volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle
lithosphere
A lithosphere is the rigid, outermost shell of a terrestrial-type planet or natural satellite that is defined by its rigid mechanical properties
layers of the Earth
The interior structure of the Earth is layered in spherical shells, like an onion
erosion
In earth science, erosion is the action of surface processes that remove soil, rock, or dissolved material from one location on the Earth's crust, then transport it away to another location

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