lunes, 27 de septiembre de 2010

vocabulary of earth changing crust

fault a crack in the crust,whose sides show evidence of motion.

geologist a scientist who studies earth.

magma hot,molten rock deep below earth,s surface.

lava magma that reaches earth,s surface.

weathering the breaking down of rocks into smaller pieces.

erosion the picking up and carrying away of pieces of rock.

deposition the dropping off of bits of eroded rock.

meteorite a chunk of rock from space that strikes a surface,such as earth or the moon.
illustrate

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