Vocabulary # 12 - Earth's 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 spce that strikes a surface (such as Earth or the Moon)