Minerals
What is the 5 criteria for a mineral?
1. Solid
2.Inorganic
3.Naturally Occurring
4.Crystalline
5. Well define chemical composition
True or False?
Not all rocks are apart of the rock cycle.
False
How does a rock become an Igneous Rock.
Melting and Cooling of lava or magma.
How does rock become a Sedimentary Rock?
Weathering and erosion, then compaction & cementation.
How does a rock become a Metamorphic Rock?
Extreme heat and pressure.
True or False?
Color isn't reliable way to find a type of Mineral.
True
What can rocks be eroded by?
A)Wind
B)Water
C)Sunlight
D)All of the above
D)All of the above
What are the two kinds of Igneous rocks?
Extrusive and Intrusive
True or False?
You can find fossils inside a Sedimentary rock.
True
The heat for Metamorphic rock is between ___-_____ Celsius
A) 40 & 1500 D) None of the above
B)50 & 1000
C)70 & 1100
B)50 & 1000
A way to test a minerals hardness
The Moh's Hardness Scale
When does the rock cycle end?
It doesn't
______rocks are light in color and less dense.Also rich in silicon, aluminum, sodium, and potassium.
Felsic
Where do Sedimentary rocks form?
Near the Earth's surface
What does the prefix meta mean?
changed
How hard is a Fingernail on the Moh's Hardness Scale
A)5
B)2.5
C)3.5
D)3
B)2.5
Can rocks be eroded by ice?
Yes
______rocks are dark in color and more dense. They're also rich in iron, magnesium, and calcium .
Mafic
Strata
What is it called when large pieces of Earth collide with each?
Regional Metamorphism
What mineral has a 7 on the Moh's Hardness scale?
A) Talc
B)Quartz
C)Topaz
B)Quartz
Explain the rock cycle...
The process of how one type of rock can change to another type of rock.
Which of these rocks are NOT Igneous rocks
A)Granite
B)Gabbro
C)Skarn
C)Skarn
What are the three main kinds of a Sedimentary rock?
1.Clastic
2.Chemical
3.Organic
What are the two kinds of Metamorphic rocks?
1. Foliated
2. Nonfoliated