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Ninth Grade (Grade 9) Minerals Questions

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Grade 9 Minerals
What is a mineral's streak?
  1. the resistance to being scratched
  2. the color of the mineral in powder form
  3. the way in which the mineral reflects light
  4. the way the mineral reacts to hydrochloric acid
Grade 9 Minerals
Grade 9 Minerals
A mineral CANNOT be...
  1. solid.
  2. formed from once-living material.
  3. naturally occurring.
  4. light in color.
Grade 9 Minerals
Why is the Painted Desert varied in colors?
  1. temperature heating and cooling
  2. how much dye is in each rock
  3. it does not have varied colors
  4. because of mineral content
Grade 9 Minerals
Which of these is a mineral?
  1. oxygen
  2. diamond
  3. sulfuric acid
  4. wood
Grade 9 Minerals
Minerals are classified according to their
  1. color.
  2. origin.
  3. composition.
  4. specific gravity.
Grade 9 Minerals
Color is not often a useful identification property because
  1. some minerals are colorless
  2. the same mineral can be different colors
  3. different minerals can be different colors
  4. some minerals are single elements
Grade 9 Minerals
The Mohs scale measures
  1. density of a mineral.
  2. a mineral's hardness.
  3. the luster of a mineral.
  4. a mineral's type of crystalline structure.
Grade 9 Minerals
Gem minerals are classified as
  1. only native elements
  2. both silicates and oxides
  3. both native elements and carbonates
  4. any of the major mineral groups
Grade 9 Minerals
To which mineral group does olivine [math](Fe_2SiO_4)[/math] belong?
  1. Oxides
  2. Halides
  3. Sulfides of Sulfates
  4. Silicates
Grade 9 Minerals
What is a mineral's streak?
  1. the resistance to being scratched
  2. the color of the mineral in powder form
  3. the way which a mineral reflects light
  4. the way a mineral reacts to hydrochloric acid
Grade 9 Minerals
Which of the following minerals would smell like rotten eggs when acid is placed on it?
  1. Gypsum [math](CaSO_4)[/math]
  2. Graphite [math](C)[/math]
  3. Halite [math](NaCl)[/math]
  4. Hematite [math](Fe_2O_3)[/math]
Grade 9 Minerals
Grade 9 Minerals
If a mineral breaks along flat or even surfaces, it has
  1. luster.
  2. fracture.
  3. cleavage.
  4. streak.
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