When the magma solidifies with in the earth's crust it cools is called ___________.

__________ rocks are not crystalline.

The word 'Igneous' is derived from the  __________ word.

___________ rocks are associated with volcanic activity.

___________ are light in weight.

___________ are hard and resistant to erosion.  

__________ rocks are less affected by chemical weathering. 

____________ are aggregates of mineral elements.

__________ may be exposed to earth's surface through continued erosion.

____________ are deep seated intrusion of igneous rocks.