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Earth's Structure

Across
Hard, sudden movements or shifting of the lithospheric plates.
The outermost layer of the earth, up to 50 miles thick, makes up the continents and ocean floors.
Violent rupture within the earth's crust releasing lava, ash, and gas into the air.
Molten rock within the earth's surface.
Occurs when plates move/shift past each other causing faults (breaks) in the earth's surface
Occurs when plates move/shift towards each other, forming mountains and other land forms
Thick layer of earth that forms large landmasses and is primarily composed of granite.
Thin layer of rock between the crust and the upper mantle which allow the tectonic plates to move.
The location directly above the origin of an earthquake.
Made of solid iron and nickel, temperature is hotter than the sun (13,000 F)
Instrument used to measure the magnitude of an earthquake.
Thin, viscous layer of the earth which lies beneath the lithosphere
Super-continent believed to have existed before the continents shifted apart.
Down
Large ocean wave caused by an underwater earthquake. also known as Tidal Waves.
Occurs when plates move/shift apart from each other causing mid-ocean ridges.
Only planet known to inhabit life
Made of liquid iron and nickel.
Highly dense layer of rock made of basalt
Heat transfer within the mantle that moves layers of magma
Theory proving that continent are always in motion.
Molten rock emerging from the surface. As it cools it forms Igneous Rock.
Large sheets of earth constantly in motion over the mantle. Collision of these plates can cause major geological events.
Occurs when one lithospheric plate slides under another.
Located between the crust and the core, makes up 80% of the earth's structure, composed of magma and rock