9.5 and 9.6

Question 1

mineral ores

Answer 1

Rocks mined to obtain a metal or other chemical within them

Question 2

Mining

Answer 2

extraction of natural resources from the Earth

Question 3

Environmental impact statement (EIS)

Answer 3

study of the possible effects of a planned project on the environment

Question 4

rehabilitated

Answer 4

restored to its previous condition

Question 5

overburden

Answer 5

waste rock is removed from below the topsoil it is then replaced when the area is restored.

Question 6

open-cut mining.

Answer 6

mining that scours out soil and rocks on the surface of the land

Question 7

underground mining

Answer 7

Mining that uses shafts and tunnels to remove rock from deep below the surface

Question 8

Stone Age

Answer 8

the time beginning about two million years ago during which early humans made implements of stone

Question 9

alloy

Answer 9

a mixture of a metal with a non-metal or another metal

Question 10

flint

Answer 10

a fine-grained sedimentary rock which leaves a very sharp edge when broken

Question 11

percussion flaking

Answer 11

a process in which tool stones such as flint or obsidian were struck with harder stones, such as quartzite, to shear large flakes that could be used to make small tools