Mining

Question 1

Mineral

Answer 1

Solid substance made of an element or compound found in nature

Question 2

Ore mineral

Answer 2

Minerals useful to humans

Question 3

Subsurface mining

Answer 3

Example: Shaft mining

Opens a hole to remove the minerals

Question 4

Surface mining

Answer 4

Overburden

Uses bulldozers to remove the surface soil to get the materials

Question 5

Placer deposit

Answer 5

Using erosion to release minerals and collecting when in concentrated areas by wind and water

Question 6

Smelting

Answer 6

Melting minerals, adding flux, and removing slag to collect desired materials

Question 7

Subsidence

Answer 7

Sink holes

“Swallow horses”

Question 8

Reclamation

Answer 8

To fix mining sights after mining

Question 9

Gangue material

Answer 9

Useless

Question 10

Metallic

Answer 10

Conduct electricity shiny opaque light will not pass through

Question 11

Nonmetallic

Answer 11

Light pass through, good insulators, dull

Question 12

Mineral exploration

Answer 12

To determine if an area is suitable for a mine measurements are made of gravity, magnetism, and radioactivity

Question 13

Long wall mining

Answer 13

Removes coal from the seam

Question 14

Room and pillar mining

Answer 14

Where rooms are dug leaving pillars to hold up the roof

Question 15

Acid mine drainage

Answer 15

Sulfur in the earth is exposed during mining, when it mixes with water and oxygen