Answer the following questions. 

(i) Name any three common minerals used by you every day. 

(ii) What is an ore? Where are the ores of metallic minerals generally located? 

(iii) Name two regions rich in natural gas resources. 

(iv) Which sources of energy would you suggest for 

(a) rural areas 

(b) coastal areas 

(c) Arid regions 

(v) Give five ways in which you can save energy at home.

Tick the correct answer. 

(i) Which one of the following is NOT a characteristic of minerals? 

(a) They are created by natural processes. 

(b) They have a definite chemical composition. 

(c) They are inexhaustible. 

(d) Their distribution is uneven. 

 

(ii) Which one of the following is a leading producer of copper in the world? 

(a) Bolivia

(b) Ghana 

(c) Chile 

(d) Zimbabwe 

 

(iii) Which one of the following practices will NOT conserve LPG in your kitchen?

(a) Soaking the dal for some time before cooking it. 

(b) Cooking food in a pressure cooker. 

(c) Keeping the vegetables chopped before lighting the gas for cooking. 

(d) Cooking food in an open pan kept on low flame.

Give reasons. 

(i) Environmental aspects must be carefully looked into before building huge dams. 

(ii) Most industries are concentrated around coal mines. 

(iii) Petroleum is referred to as “black gold”. 

(iv) Quarrying can become a major environmental concern. 

Distinguish between the followings. 

(i) Conventional and non-conventional sources of energy 

(ii) Biogas and natural gas 

(iii) Ferrous and nonferrous minerals 

(iv) Metallic and nonmetallic minerals