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Question 1 (20 points)

Match the term from Unit 4 Rocks and MInerals with its definition/description/example.

Column A
1.
Cleavage:
Cleavage
2.
Density:
Density
3.
Fracture:
Fracture
4.
Hardness:
Hardness
5.
Luster:
Luster
6.
Magnetism:
Magnetism
7.
Vitreous:
Vitreous
8.
Ore:
Ore
9.
Surface mining:
Surface mining
10.
Underground mining:
Underground mining
11.
Land reclamation:
Land reclamation
12.
Smelting:
Smelting
13.
Corrosion:
Corrosion
14.
Dredge:
Dredge
15.
Rare Earth elements:
Rare Earth elements
16.
Tailings:
Tailings
17.
E-waste:
E-waste
18.
Conflict minerals:
Conflict minerals
19.
Sustainable:
Sustainable
20.
Overburden:
Overburden
Column B
a.Breakage of a mineral along flat, smooth planes. Like mica
b.Hard to find minerals- very valuable! Often used in products like Smart Devices
c.When a material is destroyed by a chemical reaction
d.Drilling deep in the earth to find ore deposits. ie- "Shaft mines" ** Dangerous if collapses.
e.The amount of mass in a given volume.
f.The __ of a mineral is the way it reflects light. EX: brilliant, glassy, metallic
g.Talc has the lowest ___ (1) because all other minerals can scratch it.
h.Another term for "Glassy Luster," Jewels have this kind of luster.
i.Mining practices that can be done over a long period of time
j.Restoring a mining sight to its previous natural state.
k.In a mining area, this is ALL the waste that must be removed by the mining company before restoration can begin.
l.Mining these can be dangerous because they fund violent and radical groups
m.Breakage of a mineral is jagged and unpredictable
n.Super heating rock in order to extract a metal from an ore.
o.Machinery used to sift through sediment at the bottom of a body of water
p.Discarded electronic devices, which should be recycled. Like old Iphones.
q.The left over rock remaining after the useful mineral is extracted from an ore.
r.Stripping of the top layer of Earth to reach ore deposits.
s.Contains Iron/Nickel, has a polar field, and is attracted to or repels another object.
t.An economically valuable mineral embedded in rock. As it is found in nature.

1 answer

Here are the matches between the terms in Column A and the definitions/descriptions/examples in Column B:

  1. Cleavage: a. Breakage of a mineral along flat, smooth planes. Like mica
  2. Density: e. The amount of mass in a given volume.
  3. Fracture: m. Breakage of a mineral is jagged and unpredictable
  4. Hardness: g. Talc has the lowest ___ (1) because all other minerals can scratch it.
  5. Luster: f. The __ of a mineral is the way it reflects light. EX: brilliant, glassy, metallic
  6. Magnetism: s. Contains Iron/Nickel, has a polar field, and is attracted to or repels another object.
  7. Vitreous: h. Another term for "Glassy Luster," Jewels have this kind of luster.
  8. Ore: t. An economically valuable mineral embedded in rock. As it is found in nature.
  9. Surface mining: r. Stripping of the top layer of Earth to reach ore deposits.
  10. Underground mining: d. Drilling deep in the earth to find ore deposits. ie- "Shaft mines" ** Dangerous if collapses.
  11. Land reclamation: j. Restoring a mining site to its previous natural state.
  12. Smelting: n. Super heating rock in order to extract a metal from an ore.
  13. Corrosion: c. When a material is destroyed by a chemical reaction
  14. Dredge: o. Machinery used to sift through sediment at the bottom of a body of water
  15. Rare Earth elements: b. Hard to find minerals- very valuable! Often used in products like Smart Devices
  16. Tailings: q. The left over rock remaining after the useful mineral is extracted from an ore.
  17. E-waste: p. Discarded electronic devices, which should be recycled. Like old iPhones.
  18. Conflict minerals: l. Mining these can be dangerous because they fund violent and radical groups
  19. Sustainable: i. Mining practices that can be done over a long period of time
  20. Overburden: k. In a mining area, this is ALL the waste that must be removed by the mining company before restoration can begin.

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