Science Olympiad Grade 2 Rocks and Minerals Worksheet-2

Rocks and Minerals

11. Which of the following is the hardest mineral?

(A) Gemstone                             (B) Graphite

(C) Diamond                                (D) Garnet

12. Which of the following rocks is mostly used as tiles on roofs?

(A) Coal             (B) Chalk           (C) Slate           (D) Granite

13. Which of the following is hard, reddish and rough rock?

(A) Granite        (B) Marble        (C) Sandstone   (D) Slate

14. Pots and sculptures are made of:

(A) graphite      (B) chalk            (C)clay                (D) slate

15. A soft white rock used to write on the blackboard is

(A) graphite      (B) chalk            (C) talc               (D) quartz

16. Gypsum is used to make:

(A) mirrors                                   (B) pencil leads         

(C) blackboard chalks                 (D)pots

17. Which of the following statements is NOT true?

(A) Rocks are found on land and in sea

(B) Rocks differ in colour, shape and size

(C) All rocks are hard

(D) Rocks are very useful to us

18. Which of the following rocks on burning produces steam and electricity?

(A) Graphite     (B) Granite        (C) Coal              (D) Gypsum

19. Which of the following is a CORRECT statement?

(A) Diamond is the softest rock

(B) Our earth is made up of rocks

(C) Coal is the hardest rock

(D) Gemstones are very soft minerals

20. All rocks are made up of:

(A) water           (B) gases            (C) minerals     (D) soil.

Answer Keys:

(11)–(C); (12)–(C); (13)–(A); (14)–(C); (15)–(B); (16)–(C); (17)–(C); (18)–(C); (19)–(D); (20)–(C)