Unit 3 Review Worksheet

Rocks are classified based on where they are
Rocks formed form the solidification of molten material
gas pockets
If an igneous rock cools extremely fast, the rock will exhibit a ______texture
When an igneous rock cools _______, coarse-sixed crystals form
Extrusive=____________ground
Mafic rocks are dark colored with a high____________
Felsic rocks are ____________color with a low density
Clastic sedimentary rocks are formed by the ______________and cementation of sediments
Bioclastic are form from the compaction and cementation of living organisms(___________________)
The only type of rock that contains fossils
Metamorphic rocks form from pre-existing rock that have been altered due to ____and pressure
Metamorphic rock may be foliated (_____________)
Meneral properties such as cleavage and hardness depend on the _________arrangement of the molecules
The most common _____ is quartz
The tendency for a mineral to break along smooth parallel surface
The resistance to being scratched