Chapter 7.1 -science

Question 1

Open cut mining

Answer 1

Mining that is on the surface, and doesn’t require you to dig underground.

Question 2

Minerals

Answer 2

Minerals: substances that makes up rocks. Each mineral has its own chemical make up

Question 3

Reduction

Answer 3

Bringing a mineral ore into a metallic state by separating the non-metallic substances

Question 5

Mineral ore:

Answer 5

Mineral ore: a substance that contains minerals of values that can be obtained by mining

Question 7

Concentration

Answer 7

The process of making a substance purer be removing the unwanted substance around it that is foreign and inessential

Question 8

Smelting

Answer 8

melting mineral ore in order to separate the metal contained

Question 9

Gangue

Answer 9

leftover waste rock and mineral material. It is produced during the processes that extract mineral ores

Question 10

Purification

Answer 10

the removal of impurities from metals to produce a pure metal

Question 12

Crust

Answer 12

Crust: the outer layer of the earth, including all land forms rocks and soil

Question 15

Underground mining

Answer 15

Underground mining requires you to dig under the earths surface.