TWO OR MORE SUBSTANCES THAT ARE MIXED TOGETHER BUT NOT CHEMICALLY COMBINED.

A layer of molten iron and nickel that surrounds the inner core of earth.

The material that forms earth's hard surface

The shaking that results from the movement of rock beneath earth's surface.

Magma that reaches the surface; also the rock formed when liquid lava hardens

The explosion of lava forming igneous rock

A TYPE OF ROCK THAT FORMS FORM THE COOLING OF MOLTEN ROCK AT OR BELOW THE SURFACE OF EARTH.

THE LAYER OF ROCK THAT FORMS EARTH'S OUTER SURFACE

NATRUALLY OCCURRING INORGANIC SOLID THAT HAS A CRYSTAL STRUCTURE AND A DEFINITE CHEMICAL COMPOSITION