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Chapter 1 Vocab.

Across
A vibration that travels through Earth carrying the energy released during an earthquake
The process by which oceanic crust sinks beneath a deep-ocean trench and back into the mantle
A trace of an ancient organism that has been preserved in rock
A device that determines the distance of an object under water by recording echoes of sound waves
The movement of a fluid, caused by differences in temperature, that transfer heat from one part of the fluid to another
A scientist who studies the forces that make and shape planet Earth
The amount of mass in a given space; mass per unit volume
Down
The name of the single landmass that broke apart and made today's continents
The transfer of energy through empty space
The material that forms Earth's hard surface
The layer of rock that forms Earth's outer surface
The movement of energy from a warmer object to a cooler object
A rigid layer made up off the upper most part of the mantle and crust
A great landmass surrounded by ocean