Chapter 2

A type of siesmic wave that moves up or down, or side to side.

The force extended on a surface divided by the total area which the force is exerted

The layer of rock that forms Earth’s surface

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

A usualy light colored igneous rock that is found in continental crust.

The layer of hot, solid, material between Earth’s crust and core.

The direct transfer of energy through space by electromagnetic waves.

The direct transfer of thermal energy from one substance to another substance that is touching.

The transfer of thermal energy by the movement of a fluid

The amount of mass in a substance in a given volume; mass per. unit of volume

the movement of a fluid caused by differences in temp. that transfers heat from one part of a fluid to another.

The hypothesis is that the continents slowly move across earth’s surface

The name of the single landmass that broke apart supposidly “200 million “ years ago, and gave rise to the continents.

A trace of an ancient organisim that has been preserved in rock

An undersea mountain change where new ocean floor is produced.

A device that determines the distance of an object under water by recording echoes of sound waves

The process by which molten material adds new crust to the ocean floor

A deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle.

The process by which oceanic crust sinks beneath a deep ocean trench and back into the mantle at a convergent plate boundary

a section that slowly moves over the anthosphere, carrying pieces of continental and oceanic crust

A well tested concept that explains a wide range of observations

A break or crack in Earth’s lithosphere along which rocks move.

A plate boundary where two plates move away from eachother.

A deep valley that forms where two plates move apart.