Earth´s changing Crust

                                                                             vocabulary#10
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.

weathearing: the breking 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).