Minerals And Rocks Flashcards
A natural, nonliving substance that occurs in rocks
Mineral
Results from melted rock that cools and hardens
Igneous rock
Results from sediment that is pressed and cemented together
Sedimentary rock
The age of a rock that is found by comparing the position of the rock to other rock layers
Relative age
Formed by heat and pressure
Metamorphic rock
The name of the process by which rocks change from one form to another
Rock cycle
Any material found on earth that can be used by people
Resource
Characteristics like color , luster , hardness , and streak
Properties
Minerals can be identified by their ______________ : color,____________ , luster , and streak.
Properties-hardness
Rocks and minerals are used for_______________ schools and other structures,and to make steel, aluminum products, silicon chips, and _______________.
Building-jewelry