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Plate Tectonics

Across
A liquid layer that lies above the inner core and below the mantle
When one tectonic plate sinks below another
This state includes the San Andreas fault
Large pieces of the Lithosphere that move on top of the Asthenosphere
When two tectonic plates move away from each other
The process by which new oceanic crust forms when magma rises up and solidifies at the mid-ocean ridge
Sudden shaking of the ground caused by the passage of seismic waves through Earth's rocks
The Earth's innermost layer
The huge supercontinent that existed millions of years ago when all of Earth's continents were joined together.
A scientist that studies seismic waves
The later made up of the crust and the uppermost part of the mantle
Down
A weakness in the rock strata that can shift and create an earthquake
When two plates come together
The part of the Earth's crust that underlies the ocean basins
The theory that all of Earth's continents were once joined
A tracing of the Earth's motion
The upper layer of Earth's mantle below the Lithosphere
The instrument used to measure the strength of an earthquake
A fault zone where two plates slide past each other
The layer below earth's crust