Rocks and Minerals Review Mrs. Sheppard December 2014
A. What type of metamorphic rock has bands or planes of mineral grains? B. With no bands or planes of mineral grains?
Answer: A.Foliated B.Non-foliated
What type of rock forms when it cools inside the Earth? Outside the Earth?
Answer: A.Intrusive igneous rocks B.Extrusive igneous
What do you call the test that is used when you rub a mineral across an unglazed tile?
Answer: Streak test
List the three types of sedimentary rock.
Answer: Clastic Chemical Organic
A. When magma cools slowly, what type of grain size does the rock have? B. When it cools quickly?
Answer: A.Large grain B.Small grain
What processes does sedimentary rock form from?
Answer: Compaction and Cementation
Does the decrease in pressure cause magma to form?
Answer: Yes
A. What is the hardest mineral on the Mohs Hardness Scale? B. What is the softest?
Answer: A. Diamond B. Talc
An increase in temperature and pressure cause what type of rock to form?
Answer: Metamorphic
The process of melting and cooling forms what type of rock?
Answer: Igneous
What forms from the process of weathering and erosion?
Answer: Sediments
Name two ways in which rocks are classified?
Answer: Texture Grain size
What is the process of making new rock from old rock called?
Answer: The Rock Cycle
What is the process of the laying down of sediments called?
Answer: Deposition
What do we call the chemical make up of a rock?
Answer: Its composition
What is the process of moving sediments from one place to another?
Answer: Erosion
What is the process in which the layers of sedimentary rocks are formed?
Answer: Stratification
What do we call a single layer of a sedimentary rock?
Answer: Strata
What are the 4 characteristics of a mineral?
Answer: (any order) Naturally occurring Inorganic Solid/chemical composition Crystalline structure
Name 4 of the 7 tests used to identify a mineral.
Answer: Color Streak Hardness Cleavage Fracture Luster Density