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 surface.

                                   lava:magma that reach earth 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).