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Plate Tectonics

Across
Edge of where rocks break and move
Part of the mantle that melts rock
Opening in Earth's surface which erupts lava and ash
Liquid core that surrounds innercore
The term used to describe how land masses have moved over time
Breaking rocks along faults cause these vibrations
Middle of an eathquake
Scientists who studies earthquakes
This was called the "super continent" before it broke apart into what forms continents we live in today
Down
Surface along which rocks break and move
outermost layer of Earth
Steep wall around edge of volcano
Very dense, solid center of the Earth
Device used to record waves from earthquakes
Big hole when volcano crashes
Theory that Earth's land masses broke into pieces and moved around
Powerful wave
Measure of an earthquake
Layer that is composed of crust and upper mantle
Largest layer in side of Earth