Minerals of Earth's Crust

Earth's Changing Crust

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

Geologist:a scientist who studies Earht.

 

Magma: hot, molten rock deep below Earht's surface.

Lava: magma that reaches Earht'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)