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Stack #4663061

QuestionAnswer
Crust Earth's outer layer; the coolest and least dense layer of Earth. See also core, and mantle.
Mantle The layer of Earth beneath the crust. It is about 2,900 km (1,800 mi) thick, and makes up about 83 percent of Earth's interior. See also core, and crust.
Outer core A layer of molten iron and nickel that surrounds the inner core of Earth.
inner core A dense sphere of solid iron and nickel at the center of Earth
Latitude the angular distance of a place north or south of the earth's equator, or of a celestial object north or south of the celestial equator, usually expressed in degrees and minutes.
longitude the measurement of distance in degrees, minutes, and seconds east or west of the Prime Meridian (0°) in Greenwich, England.
Oceanic ridge a continuous, underwater mountain system formed by plate tectonics, typically at a divergent boundary.
Sea-floor spreading the process where new oceanic crust is formed at mid-ocean ridges, causing tectonic plates to slowly move apart.
divergent boundary a tectonic plate boundary where two plates move apart, or spread away from each other.
convergent boundary a location where two or more of Earth's tectonic plates collide or move toward each other
transform boundary a place where two tectonic plates slide horizontally past one another
subduction a geological process where one of Earth's tectonic plates sinks beneath another into the mantle at a convergent boundary.
Ocean trench a long, narrow, and incredibly deep depression in the ocean floor, marking the deepest parts of the ocean.
tectonic plate massive, irregularly shaped slabs of solid rock composed of Earth's lithosphere (crust and upper mantle)
lithosphere the solid, rigid outer shell of the Earth, consisting of the crust and the topmost part of the upper mantle.
fracture a medical term for a broken bone
elasticity the ability of an object or material to return to its original shape and size after being stretched, compressed, or deformed
stress the body and mind's automatic reaction to any demand, challenge, or threat.
strain a physical injury caused by overstretching or tearing muscles or tendons
plate boundary the edges where tectonic plates—massive, moving pieces of Earth's outer shell—meet and interact
continental crust the thick, low-density outer layer of Earth that makes up the continents and shallow continental shelves
oceanic crust the thin, dense, and young outer layer of Earth’s crust that lies beneath the ocean, forming the seafloor.
friction a force that opposes the relative motion or tendency of motion between two surfaces in contact
rift valley a long, narrow, lowland depression created when Earth's tectonic plates move apart (divergent boundary), causing the crust to fracture and sink.
Created by: user-2013422
 

 



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