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7 Sci Ch 3-1 vocab

7th Grade Science Chapter 3 Lesson 1 vocabulary

TermDefinition
pressure
seismic wave Vibrations that travel through earth carrying the enegry released during an earthquake.
crust the layer of rock that forms earht's outer surface.
basalt a dark,dense,igneous rock with a fine texture, found in oceanic crust.
granite
mantle
lithoshpere
asthenosphere the soft layer of the mantle on which the lithosphere floats.
outer core
inner core
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