Rock and Roll More Rock and Roll All that Glitters Black as Coal Crystal Clear
100
How is igneous rock formed?
Hardened lava.
100
Which type of rock is made from layers of sediment that are compacted and cemented together?
Sedimentary rock
100
What is the chemical formula for gold?
Au
100
What is Peat?
A mass of recently accumulated to partially carbonized plant debris.
100
What is Halite?
Forms isometric crystals and is known as "rock salt"
200
How is metamorphic rock formed?
Existing rock changed by heat and/or pressure
200
What is physical weathering?
Physical actions, such as wind, or water freezing and cracking a rock
200
What is the mineral Pyrite is also known as?
Fool's Gold
200
What is the most mature coal and thus has the highest carbon content of any type of coal
Anthracite Coal
200
What are some of the more common crystal forms in minerals?
Cubic, Monoclinic, Triclinic, Hexagonal
300
How is igneous rock transformed into metamorphic rock?
The application of heat and pressure
300
What are the three main types of weathering?
Physical, chemical and biological.
300
What is the hardest naturally occurring substance found on Earth?
Diamonds
300
What is Bituminous Coal?
This type of coal has a high heating (Btu) value and is the most common type of coal used in electricity generation in the United States.
300
What is a Cubic crystal form?
Contains three axes of equal length positioned at right-angle to each other. Found in gold and diamonds.
400
What happens when metamorphic rock melts and then cools?
It becomes magma and then becomes igneous rock
400
What is biological weathering?
When living organisms break rocks
400
What is luster?
The way light interacts with a mineral's surface
400
What is Lignite Coal?
Often referred to as brown coal, this type of coal is a soft brown combustible sedimentary rock formed from naturally compressed peat.
400
What is Bowen's Reaction Series?
The order of crystallization of minerals in a chamber of magma.
500
What is compaction?
Layers of sediment become pressed together over time
500
What is the State Rock of North Carolina?
Granite
500
What is the chemical formula for Amethyst?
SiO₂
500
What is the carbon content of Anthracite Coal?
93% - 98% carbon content
500
What is Biotite, Pyroxene, Amphibole, and Olivine?
Two minerals that are associated with the discontinuous branch of Bowen's reaction series.






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