Minerals
True or False:
Minerals are made out of rocks.
False
What are the three rock types?
Sedimentary, Igneous, Metamorphic
What rock is made through sedimentation?
Sedimentary rocks
True or False:
Smell is not a good way to classify rocks.
Which mineral is nicknamed "fool's gold"?
Pyrite
Which rock type is formed from visible layers of rocks?
Sedimentary
What is rock transformation called?
Metamorphosis
What is the luster of a rock?
The way light reflects off of it.
For a material to be considered a mineral, it must occur naturally, be solid, be nonliving, ________, and have a chemical formula.
have crystal formation
Which rock type can be intrusive or extrusive?
Igneous
What is it called when a rock is heated to the point of liquefying?
Melting
What classification process uses plaster plates?
Streak
Which mineral is smooth, black, is in obsidian, and has a 2.5-3 on the hardness scale?
Biotite
What are the two ways metamorphic rocks can be formed?
Regional or Contact formation
What turns molten magma into rocks?
Solidification
Why does it not help identify a rock to look at its weight?
Weight changes based on the development of a rock.
Which mineral is yellow and toxic to inhale for extended periods?
Sulfur
Which rock type is sourced from hardened magma?
All of them
Which rocks are transformed through heat and pressure?
Metamorphic Rocks
True or False:
Cleavage is when there are uneven breaks and cracks in rocks.
False