Earth Science- Unit 2: Rocks & Minerals

19 Questions | By Danniiieelllee | Last updated: May 8, 2019 | Total Attempts: 1829

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Most of the people usually don't know the difference between a mineral and a rock. A mineral is a naturally occurring solid that has a chemical composition and formed through geological processes. A rock, however, is made up of one or more minerals. Take up this Earth science unit 2 quiz on rocks and minerals to see just how much you understand.

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Questions and Answers

1.

YOWhat are the 5 must be's in order to be a mineral?
2.

True or False: The factor that determine's a mineral physical characteristcs is based upon the internal arrangement of atoms.
- A.
  
  True
- B.
  
  False
- C.
  
  Neither
3.

Cleavage: Describes the way a mineral breaks in clean, smooth + flat/jagged surfaces
- A.
  
  Jagged
- B.
  
  Flat
- C.
  
  Neither
- D.
  
  Both
4.

Fracture: Describes a mineral that breaks in rough flat/jagged surfaces
- A.
  
  Jagged
- B.
  
  Flat
- C.
  
  Neither
- D.
  
  Both
5.

Olivine: cleavage/fractureSulfur: cleavage/fractureBiotite Mica:cleavage/fractureCalcite: cleavage/fractureHalite: cleavage/ fractureQuartz: cleavage/ fracture***For answer, put in the form of: Quartz= _______***
6.

Is Olivine nonmetallic or metallic?
- A.
  
  Nonmetallic
- B.
  
  Neither
- C.
  
  Metallic
7.

State at least 1 reason why Color is not a great mineral ID test?

Discuss
8.

Can flurorite scratch a penny?
- A.
  
  Yes
- B.
  
  No
9.

The acid test is useful for a mineral that contains....
- A.
  
  Silicates
- B.
  
  Iron
- C.
  
  Aluminum
- D.
  
  Magnesium
- E.
  
  Calcium
10.

What is double refraction?
- A.
  
  The ability of a mineral to display one image
- B.
  
  The ability of a rock to display one image
- C.
  
  The ability of a rock to display two images
- D.
  
  The ability of a mineral to display two images
11.

What is the difference between monominerallic and polyminerallic?
- A.
  
  Monominerallic has more than one mineral, when Polyminerallic has only one mineral.
- B.
  
  Monominerallic has more than one rock, when Polyminerallic has only one rock
- C.
  
  Monominerallic has only one mineral, when Polyminerallic has more than one mineral
- D.
  
  Monominerallic has only one rock, when Polyminerallic has more than one rock
12.

Igneous rocks are formed from the processes of...
- A.
  
  Compactation & Cementation
- B.
  
  Melting & Solidification
- C.
  
  Heat & Pressure
13.

Sedimentary Rocks are formed from the processes of...
- A.
  
  Compactation & Cementation
- B.
  
  Melting & Solidification
- C.
  
  Heat & Pressure
14.

Metamorphic Rocks are formed from the processes of...
- A.
  
  Compactation & Cementation
- B.
  
  Melting & Soldification
- C.
  
  Heat & Pressure
15.

If igneous rocks have small crystals due to the rate of cooling was faster, then it would be an extrusive/intrusive rock
- A.
  
  Intrusive
- B.
  
  Extrusive
- C.
  
  Neither
16.

If igneous rocks have large crystals due to the rate of cooling was slower, then it would be an extrusive/intrusive rock
- A.
  
  Intrusive
- B.
  
  Extrusive
- C.
  
  Neither
17.

List in order from smallest to largest the following particles: silt, cobbles, clay, pebbles and sand
18.

Metamorphic Rocks form from pre-existing _____ rocks
- A.
  
  Igneous
- B.
  
  Sedimentary
- C.
  
  Both
- D.
  
  Neither
19.

Gneiss is the only rock that shows...
- A.
  
  Foilation
- B.
  
  Non-foilation
- C.
  
  Vesicular pockets
- D.
  
  Banding

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