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Grade 6 Unit 3 Minerals and Rocks (Minerals (What properties can be used…
Grade 6 Unit 3 Minerals and Rocks
Minerals
How are minerals formed?
As magma cool.
From solution
By metamorphism.
How are minerals classified?
Silicate
Non-silicate
What do minerals have in common?
Definite chemical composition
Naturally occurring
Solid
Crystalline structure
Usually inorganic
What properties can be used to identify minerals?
Density
Color
Streak
Luster
Cleavage and fracture
Hardness
Rocks
What processes change rock?
Weathering
Erosion
Deposition
Temperature and pressure.
What are the classes of rocks?
Igneous rock
Sedimentary rock
Metamorphic rock
How do tectonic plate motions affect the rock cycle?
By moving rocks up or down(uplifting and subsidence.
By pulling apart earth's surface.
Classes of rock
What are two kinds of igneous rock?
Intrusive igneous rock
Extrusive Igneous rock
How are rocks classified?
By mineral composition
By texture
What are three types of sedimentary rocks?
Clastic sedimentary rock
Chemical sedimentary rock
Organic sedimentary rock
What are two kinds of metamorphic rock?
Foliated metamorphic roc
k
Nonfoliated metamorphic rock
