soalan sainsf1-ppt

8/11/2019 soalan sainsf1-ppt

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Electronic balance Compression balance Spring balance

Neraca elektronik neraca mampatan neraca spring

Answer allquestions

Jawab semua soalan.

1. Diagram 1 shows some examples of measuring instruments.

Rajah 1 menunjukkan contoh alat pengukuran.

Diagram 1

(a) Which of the following instruments can be used to measure weight? Tick () the correct answer inthe box provided.

Yang manakan Antara berikut digunakan untuk mengukur berat? Tandakan ()pada kotak untukjawapan yang betul

[1 mark]

(b) Circle the instruments that can be used to measure mass.

Bulatkan alat yang digunakan untuk mengukur jisism

[2 marks]

(c) State twoother differences between mass and weight.

Nyatakan duaperbezaan antara jisim dan berat

1. ________________________________________________________________

2. ________________________________________________________________

[2 marks]

(d) If 10 science books weight 60 N on earth, what is the weight of each book on the moon? [The

gravitational force on the moon is 1/6 of the gravitational force on Earth.]

Jika berat 10 buah buku sains ialah 60 N di bumi, apakah berat setiap buku di bulan? [tarikan

gravity di bulan adalah 1/6 daripada tarikan gravity di bumi]

__________________________________________________________________

[1 mark]


2/13

2. Diagram 2 shows an activity is carried out to measure the thickness of a test tube by using two

measuring tools K and L.

Rajah 2 menunjukkan aktiviti mengukur ketebalan tabung uji menggunakan dua alat K dan L.

Diagram 2

(a) Name the measuring tool K and L in the diagram above.

Namakan alat pengukuran K dan L dalam rajah di atas

[2 marks]

(b) Table 1 shows the results of the activity. Find the average of the measurements taken using tool

K and L.

Jadual 1 menunjukkan keputusan satu aktiviti.Cari purata bagi ukuran menggunakan alat K dan L

Measurements

Ukuran

Reading 1

Bacaan 1

Reading 2

Bacaan 2

Average

Purata

Diameter using tool K (cm)

Diameter meng gun akan

alat K

2.1 2.2

Diameter using tool L (cm)

Diameter meng gun akan

alat L

2.3 2.4

Table 1

[2 marks]

(c) Calculate the thickness of the wall of the test tube.

Kirakan ketebalan dinding tabung uji

[2 marks]

K: L:


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(d) State twoother apparatus that can be measured by using the measuring tools as shown in the

diagram 2.

Nyatakan dua bahan lain yang boleh diukur menggunkan alatan pengukuran yang ditunjukkan

dalam rajah 2

1. ________________________________________________________________

2. ________________________________________________________________

[2 marks]

3. Diagram 3.1 shows the structure of a plant cell.

Rajah 3.1 menunjukkan struktur sel tumbuhan

Diagram 3.1

(a) Name the labelled parts of Q and S in the space provided in Diagram 3.1.

Namakan bahagian berlabel Q dan S dalam ruang yang disediakan dalam rajah 3.1

[2 marks]

(b) State the function of the parts P of the cell. Complete Table 2.

Nyatakan fungsi bahagian P dalam sel.Lengkapkan jadual 2

Part of the cell

Bahagian sel

Function

Fungsi

P

Table 2

[1 mark]

(c) Diagram 3.2 shows the structure of an animal cell.

Rajah 3.2 menunjukkan struktur untuk sel haiwan


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Diagram 3.2

Givetwodifferences between the plant cell and animal cell.

Berikan dua perbezaan antara sel tumbuhan dan sel haiwan

1. ________________________________________________________________

2. ________________________________________________________________

[2 marks]

4. Diagram 4 shows some of the steps in the preparation of a slide of human cheek cells.

Rajah 4 menunjukkan beberapa langkah untuk menyediakan slaid sel pipi

P Q R S

Diagram 4

(a) Arrange the steps before step Q in sequence.

Susunkan langkah-langkah sebelum langkah Q dalam urutan

[3 mark]

(b) How is the specimen obtained from the human body.

Bagaimana specimen boleh didapati dari badan manusia

__________________________________________________________________

__________________________________________________________________

[1 mark]

(c) In steps S, a drop of methylene blue solution is put on the glass slide. Explain why this is done.

Dalam langkah S, titisan larutan metilina biru diletakkan di atas slaid kaca.Terangkan mengapa?

Q


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__________________________________________________________________

[1 mark]

(d) State the function of the filter paper in step Q.

Nyatakan fungsi kertas turas dalam langkah Q

__________________________________________________________________

[1 mark]

(e) In step P, the cover slip must be lowered gently. Why?

Dalam langkah P,penutup slaid mesti letakkan perlahan-lahan.Mengapa?

__________________________________________________________________

[1 mark]

5. Diagram 5 shows a system in the human body.

Rajah 5 menunjukkan system dalam badan manusia

Diagram 5

(a) On Diagram 5, label parts P, Q and R using the following words.

Pada rajah 5,labelkan bahagian P, Q dan R menggunakan perkataan di bawah


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[3 marks]

(b) Name the system shown in Diagram 5.

Namakan system yng ditunjukkan dalam rajah 5

__________________________________________________________________

[1 mark]

(c) State the function of the system above.

Nyatakan fungsi system di atas

__________________________________________________________________

[1 mark]

(d) Name the mainorgan protected by structure P.Namakan organ utama yang dilindungi oleh struktur P

__________________________________________________________________

[1 mark]

(e) Name a structure in the system above that helps in protecting the spinal cord.

Namakan struktur dalam system di atas yang membantu melindungi saraf tunjang

__________________________________________________________________

[1 mark]

6. Diagram 6 shows the different levels of organisation of cells in the human body.

Rajah 6 menunjukkan beberapa tahap organisasi sel dalam badan manusia

Diagram 6

(a) Which in Diagram 6 shows the level of

Yang manakan dalam rajah 6 menunjukkan

Pelvic girdle Skull Pectoral girdle

Tulang pelviks tengkorak tulang selangka


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(i) Cell [sel]- __________________________________________________________

(ii) System [system]-_______________________________________________________

(iii) Organ [organ]-________________________________________________________

(iv) Tissue [tisu]-________________________________________________________

[4 marks]

(b) Complete the following flow chart to show cell organisation.

Lengkapkan yang berikut

Cell System

[2 marks]

(c) Name the organ in Diagram 6.Namakan organ dalam rajah 6

__________________________________________________________________

[1 mark]

7. Diagram 7 shows pictures of three different states of matter

Ice water hydrogen

Diagram 7

( a ) ( i ) Match the pictures in Diagram 7 with their arrangement of particles.

Picture Arrangement of particles


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[ 3 marks ]

( ii ) Which picture in Diagram 7 has a fixed shape and a fixed volume ?

_____________________________________________________ [ 1 mark ]

( b ) Diagram 7.1 shows pictures of the three states of matter.

Diagram 7.1

( i ) Label the state of matter in the spaces provided on Diagram 1.1 by using the

following words.

[3 marks ]

Solid liquid gas


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( ii ) What is the difference between matter P and R ?

....

[ 1 mark ]

8. Diagram 8 shows pictures of three states of matter.

Picture 1 Picture 2 Picture 3

Diagram 8( a ) On Diagram 8, label the states of matter for each picture using the following words.

[ 3 marks ]

( b ) Based on Pictures 1 , 2 and 3, draw diagrams to show the arrangement of the particles in each

state of matter.

Picture 1 Picture 2 Picture 3

[2 marks ]

( c ) State one property to differentiate between the states of matter.

[ 1 mark ]9. Diagram 9.1 shows the densities of three solids J , K , L and two liquids P and Q

Diagram 9.1

( a ) Arrange the solids and liquids in Diagram 4. 1 in sequence of ascending order based on their

densities.

Solid liquid gas


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( b ) Solids J , K , L and liquids P and Q are placed in a measuring cylinder . In

10. Diagram 5.2 , label the positions of the solids and the liquids in the cylinder.

11. ( 3 marks )

12. J K L

13. 15

14. ( c ) Solids N has density of 23.2 g cm . State the position of solid N when it is put

15. into the cylinder in Diagram 5.2.

16. .17. ( 1 mark )

18. ( d ) Using the concept of density, state two examples of application the density in our

19. daily life.

20. i. ..21. ii. .22. ( 2 marks )

23. 16

24. 6. Diagram 6.1 below shows three objects of various densities placed in the

25. liquids of various densities.

26. Diagram 6.127. ( a ) Arrange the objects and liquids in descending order of density.

28. . (1 mark )29. ( b ) What possible liquids can U and T be?

30. R: 31. P: 32. ( 2 marks )

33. ( c ) What possible objects can P and R be ?

34. P: .35. R: ..36. ( 2 marks )

37. ( d ) State two examples of transportation that uses the principle of density of

38. matter.

39. i. ii .40. ( 2 marks )

41. P

42. Q

43. R

44. T

45. U

46. 17

47. 7. Table 7.1 shows several substances with different densities.

48. Material Density (g/cm)

49. Cork 0.2550. Glass 2.6

51. Gold 19

52. Teak wood 0.85

53. Lead 11.4

54. Copper 8.9

55. Polystyrene 0.02

56. Water 1.0

57. Table 7.1


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58. ( a ) Classify the substances based on whether its sinks or float in the59. water.

60. ( b ) Diagram 7.2 shows an experiment carried out to determine the density of the

61. cork and the stone.

62. Sinks in the water Floats on the water

63. 1.

64. 1.

65. 2.

66. 2.

67. 3.

68. 3.

69. 4.

70. 18

71. Diagram 7.2

72. i Name the method used

73. ( 1 mark)74. ii State whether the shape of the stone is regular or irregular

75. ( 1 mark )76. ( c ) Based on diagram 7.2 ,calculate the volume of the77. i. stone :

78. Example:

79. 65cm - 45 cm = 20 cm

80. ii. cork :

81. (1 mark)

82. ( d )

83. Given : Mass of stone =30 gram

84. Mass of cork =1.20gram

85. Find the density of stone and cork.

86. Use the following formula

87. i. Stone :

88. ( 2 marks)

89. ii. Cork :

90. (2 marks)

91. Density = mass

92. volume

93. 19

94. 8. Table 8.1 shows the densities of some substances.

95. Substance Density(g cm)

96. Solid X 2.6

97. Solid Y 0.95

98. Liquid P 0.799. Liquid Q 1.0

100. Table 8.1

101. Substances P, Q , X and Y are placed together in a gas jar as shown in diagram

102. 8.2. Liquid P and liquid Q do not mix.

103. Diagram 8.2

104. ( a ) Draw and label the position of the substances P,Q,X and Y in the gas jar in

105. diagram 8.2 after they have arranged themselves according to their

106. densities.


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107. ( 4 marks)

108. 20

109. ( b ) Diagram 8.3 shows solids P , Q and R in a gas jar containing liquid Y do

110. not mix.

111. Diagram 8.3

112. i. Compare the densities of the substances

113. Q and X :114. P and R :115. X and Y :116. P and X :117. ( 2 marks)

118. ( c ) An object of volume 100 cm has a mass of 260g.

119. Determine whether the object will sink or float in a liquid of density 13.6g cm.

120. 121. 122. ( 1 mark )

123. 21

124. 9. Diagram 9 shows an experiment carried out to determine the density of a stone,125. with a mass of 21 g.

126. measuring

127. cylinder

128. water

129. 10 ml

130. stone

131. 20 ml

132. thread

133. Diagram 9

134. (a) Define the density of an object.

135. ..136. (1 mark)

137. (b) i. Find the volume of the stone.

138. ..139. (1 mark)

140. ii. Calculate the density of the stone.

141. ( 2 marks )

142. ( c ) Name the method used in determining the density of the stone above.

143. ..144. (1 mark)

145. ( d ) Suggest a precaution that must be taken during the experiment.

146.

147. (1 mark)148. 22

149. 10. Diagram 10 shows an experiment to determine the density of sugar

150. solution.

151. Diagram 10

152. ( a ) What is meant by density?

153. ..154. (1 mark)

155. ( b ) Based on the information in Diagram 3, calculate the mass of


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156. sugar solution used.

157. 158. (1 mark)

159. ( c ) i. Calculate the density of sugar solution.

160. (2 marks)

161. ii. Suggest one way to increase the density of sugar solution.

162. 163. (1 mark)

164. ( d ) What happens to an eraser if it is dropped into the beaker of

165. sugar solution above?

166. (Density of eraser = 3.30 g/cm3 )

167. .168. (1 mark)

169. Empty beaker

170. mass= 15g

171. Beaker with

172. 30 cm3 of sugar solution

173. mass= 100g174. 23

175. 11. Diagram 11 shows five object U,V,W.X and Y

176. U V X W Y

177. Diagram 11

178. Observe the object in diagram 11.

179. (a ) Based on your observation. State the form of matter of any four of

180. objects.

181. U: .182. V: .183. W: .184. X:: 185. Y : 186. ( 4 marks)

187. Fizzy drink

188. hydrogen

189. 24

190. b. Classify the object U, V, W.X and Y into three groups based on form of

191. matter. Name the objects belonging to each group.

192. . ( 4 marks )

193. U, V, X, W and Y

194. Form of

195. matter

196. Examples197. gftft

198. hddg

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