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1. 
A geologic span of time is called a(n) ______.
A.
Eon
B.
Parsec
C.
Meter
D.
Dinoyears
2. 
______is a gas that acocunts for 78% of Earth's atmosphere.
A.
Oxygen
B.
Nitrogen
C.
Argon
D.
Gold
3. 
_____ is a field of study for fault-finders.
A.
Chemistry
B.
Astrophysics
C.
Anthropology
D.
Geology
4. 
The wearing away or change in the appearance of a material due to exposure to wind or water is called _____.
A.
Expulsion
B.
Explosion
C.
Erosion
D.
Emulsification
5. 
A ______ is an instrument that measures and records earthquakes.
A.
Thermometer
B.
Seismometer
C.
Anemometer
D.
Calorimeter
6. 
The amount of water vapor in the air is known as _____.
A.
Humidity
B.
Density
C.
Air weight
D.
Moistometer
7. 
An_______ is a mixture of two or more metals.
A.
Acid
B.
Array
C.
Android
D.
Alloy
8. 
Metals are good conductors of _______.
A.
Protons
B.
Knowledge
C.
Electricity
D.
Time
9. 
A _____ is a place, typically a large pit, from which minerals and ores are extracted.
A.
Sinkhole
B.
Quarry
C.
Trench
D.
Crevasse
10. 
The process of restoring land that has been mined is called_____.
A.
Reformation
B.
Reclamation
C.
Relocation
D.
Redo