sábado, 4 de septiembre de 2010

Vocabulary #8

1.Fault: A crack in the crust,whose sides show evidence of motions.



2.Geologist: A scientist who study earth.




3.Magma: Hot,molten rock deep below eart"s surface.




4.Lava: Magma that reaches earth surface.




5.Weathering: The breacking of rocksinto smaller pieces.




6.Erosion: The picking up and carrying away of pieces of rock.




7.Deposition: The dropping off of bits of eroded rock.





8.Meteorite: A chunk of rock from space that strikes a surface (such as earth on the moon).





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