Page 6 - QB

60. What are the uses of rocks? BOOK EX.1(vi) 9 3 K A

61. Complete the diagram: 9 3 C H

62. Give reasons. Book Q4. 9 3 U A
(i) We cannot go to the centre of the earth.
(ii) Sedimentary rocks are formed from sediments.
(iii) Limestone is changed into marble.

63. Complete the table 10 3 C H
Object Minerals most commonly
used in them
Karhai Iron, copper, stainless
steel,teflon
Ornaments
Lamp Brass, silver, gold, copper
Hammer
Bell Brass, silver, gold
Pan/tava