Science Olympiad Grade 2 Rocks and Minerals Worksheet-4

Rocks and Minerals

31. Which of the following rocks is used as fuel?

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

32. Which of the following is NOT correct about diamond?

(A) It is glassy in colour

(B) It can be used for cutting glass

(C) It is used for making jewellery

(D) None of the above

33. Pebbles are:

(A) a kind of rock                         (B) a kind of mineral

(C) a kind of soil                           (D) all of the above

Which of these is/are true about the object given in the figure?

(A) It is a form of smooth rock

(B) It is blackish is colour

(C) It is used for writing

(D) All of the above

35. Which of the following is a wrong statement?

(A) Marble is a hard rock           (B) Gemstone is a soft rock

(C) Slate is a soft rock                 (D) Ruby is a hard gemstone

36. Which of the following minerals is used to cut glass?

(A) Graphite     (B) Gypsum      (C) Diamond    (D) Gemstone

37. Which of the following rocks is used for the foundation of buildings?

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

38. Which of the following is used to make cement?

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

39. Look at the figure given below and identify the mineral

(A) Graphite     (B) Limestone  (C) Diamond     (D) Gemstone

40. The type of rock used to make blackboard is:

(A) coal              (B) gypsum       (C) slate             (D) graphite

Answer Keys:

(31)–(A); (32)–(D); (33)–(A); (34)–(D); (35)–(B); (36)–(C); (37)–(C); (38)–(C); (39)–(C); (40)–(C)