Vibrations that travel through earth carrying the enegry released during an earthquake.

the layer of rock that forms earht's outer surface.

a dark,dense,igneous rock with a fine texture, found in oceanic crust.

the soft layer of the mantle on which the lithosphere floats.

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7 Sci Ch 3-1 vocab

7th Grade Science Chapter 3 Lesson 1 vocabulary

Term	Definition
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