1Are all stones of the same nature?
2What is a stone made of?
3What is the surface of the Earth made of?
4Define a mineral, and say what a mineral means in the general sense.
5Write the three types of minerals with examples.
6Name the three sub-groups of metallic minerals and give examples of each.
7Write three differences between metallic and non-metallic minerals.
8What are energy minerals? Give examples.
9Write five properties of minerals.
10Why do precious minerals carry such high economic value?
11Name the four grades of coal in order.