Communication

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _ SCIENTIFIC SKILLS EXERCISE: COMMUNICATION & SPACE TIME RELATIONSHIP LATIHAN KEMAHIRAN SAINTIFIK: BERKOMUNIKASI & HUBUNGAN RUANG 1

A group of student has collected a quantity of leaves. The data for the leaves are recorded in Table 1. Satu kumpulan pelajar mengumpul sejumlah daun. Data panjang daun direkodkan dalam Jadual 1

length of

16

13

14

20

10

16

14

17

21

19

8

20

15

18

11

15

7

18

14

15

16

12

13

15

4

23

8

10

20

14

15

7

Table 1 Jadual 1 (a)

Use the data above to complete Table 2 Menggunakan data di atas lengkapkan Jadual 2.

Length of leaf(cm) Panjang daun (cm) Number of leaves Bilangan daun

4-6

7-9

10-12

13-15

16-18

19-21

22-24

Table 2 Jadual 2 (b)

Base on Table 2, draw a bar graph showing the number of leaves against length of leaves. Berdasarkan Jadual 2, lukis satu graf bar untuk menunjukkan bilangan daun melawan panjang daun.

___________________________________________________________________________________________ _roslainigc

1

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _

Number of leaves Bilangan daun

12

10

8

6

4

2

4-6

2

7-9

10-12

13-15

16-18

Length of leaves Panjang daun

19-21 22-24

Table 3 shows the result of the reaction between 3.0 g of zinc metal with 100cm3 dilute hydrochloric acid. Jadual 3 menunjukkan keputusan bagi tindakbalas antara 3.0 g logam zink dengan 100cm3 asid hidroklorik cair. Time /minit Masa/minit Volume of gas/ cm3 Isipadu gas / cm3

0

1

2

3

4

5

6

0

27

46

57

64

67

67

___________________________________________________________________________________________ _roslainigc

2

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _ TABLE 3 JADUAL 3 (a)

Base on Table 3, draw a graph of the volume of gas against time. Berdasarkan Jadual 3, lukiskan graf isipadu gas melawan masa

Volume of gas / cm3 Isipadu gas / cm3

Time/ minute Masa/ minit

(b) What is the relationship between volume of gas with time? Apakah hubungan antara isipadu gas dengan masa? ……………………………………………………………………………………………… ………………………………………………………………………………………………

___________________________________________________________________________________________ _roslainigc

3

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _

3

A pupil conducted an experiment to determine the boiling point of a solution. temperature of the solution is recorded ever 2 minutes until it boils. The result of the experiment is recorded in Table 4 Seorang murid telah menjalankan satu eksperimen untuk menentukan takat didih satu larutan . Suhu larutan itu dicatatkan setiap 2 minit sehingga ia mendidih. Keputusan dicatat dalam Jadual 4 Time/minit Masa/ minit Temperature/0C Suhu /0C

0

2

4

6

8

10

28

48

68

88

102

102

TABLE 4 JADUAL 4 (a) Base on Table 4, draw a graph of temperature against time. Berdasarkan Jadual 4, lukiskan graf suhu melawan masa.

Temperature/0C Suhu /0C

Time/ minit ___________________________________________________________________________________________ 4 Masa / minit _roslainigc

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _ (b) What is the relationship between temperature of solution with time for the first sixth minutes? Apakah hubungan antara suhu larutan dengan masa untuk enam minit yang pertama? ………………………………………………………………………………………………. 4

Table 5 shows the result of an experiment to study the effect of temperature on bacterial growth. Jadual 5 menunjukkan keputusan satu eksperimen untuk mengkaji kesan suhu ke atas pertumbuhan bakteria Temperature/0C Suhu/0C 0 15 25 35 60

(a)

Size of bacteria colony after 24 hours Saiz koloni bakteria selepas 24 jam 2 5 10 15 3 TABLE 5 JADUAL 5

Base on Table 5, draw a graph showing the relationship between size of bacteria colony with time..

Size of bacteria colony after 24 hours Saiz koloni bakteria selepas 24 jam

___________________________________________________________________________________________ _roslainigc

5 Temperature/0C Suhu /0C

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _

(b) What is the relationship between size of bacteria colony with time? Apakah hubungan antara saiz koloni bakteria dengan masa? …………………………………………………………………………………………… ……………………………………………………………………………………………. 5

The volume of gas collected for every 2 minutes is recorded in Table 6. Isipadu gas dikumpulkan setiap 2 minit direkodkan dalam Jadual 6 Time (min) Masa (min) Volume of gas (cm3) Isipadu gas (cm3)

2

4

6

8

10

12

9

16

22

24

25

25

TABLE 6 (a) Base of Table 6, draw a graph of volume of gas against time. Berdasarkan Jadual 6, lukis satu graf isipadu gas melawan masa. Volume of gas /cm3

Isipadu gas/cm3

25

20

15

10

5 0

2

4

6

8

10

12

___________________________________________________________________________________________ _roslainigc

Time Masa(min) /min Masa 6 (min)

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _

(b) What is relationship between volume of gas collected with time? Apakah hubungan antara isipadu gas yang dikumpulkan dengan masa? ………………………………………………………………………………………… ………………………………………………………………………………………… 6

The Form 4 Mawar carried out an experiment to study the variation of thumb prints There are four groups of thumb prints; curve, loop, whorl and composit Kelas 4 Mawar menjalankan eksperimen untuk mengkaji variasi cap ibu jari. Terdapat empat kumpulan cap ibu jari : lengkung, gelung , sepusar dan komposit Diagram shows the thumb prints of 25 pupils from the class Rajah menunjukkan cap ibu jari 25 orang murid dalam kelas itu

(a) Based on Diagram , determine the number of pupils in each group. complete Table 7 Groups of thumb print Kumpulan cap ibu jari

Curve (lengkung)

Loop (gelung)

Whorl (sepusar)

Composite (komposit)

Number of pupils ___________________________________________________________________________________________ _roslainigc

7

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _ Bilangan murid TABLE 7 JADUAL 7

(b)

Based on the result of Table 7, draw a bar chart to show the number of pupils against the groups of thumb prints Berdasarkan keputusan dalam Jadual 7, lukiskan satu carta bar yang menunjukkan bilangan murid melawan kumpulan cap ibu jari

Bilangan murid

(c)

Write a conclusion on the type of variation based on the bar chart in (b) ............................................................................................................................

..... [ 1 mark ] (d) (e) (f) (g)

(h)

7 In an experiment, a bacteria Bacillus subtilis is cultured in a petri dish containing nutrient agar for five days at 370C The result of the experiment is shown in Table 8 . Day 1 2 3 4 5

Number of bacteria colonies 8 16 19 21 22 TABLE 8 Lengkung

Gelung

Sepusar

Komposit

Kumpulan cap ibu jari (a) Using data in Table, draw a graph of the number of bacterial colonies against

___________________________________________________________________________________________ _roslainigc

8

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _

7

In an experiment, a bacteri Bacillus subtilis is cultured in a petri dish containing nutrient agar for five days at 370C. The result of the experiment is shown in Table 8. Dalam suatu eksperimen bakteria Basillus subtilis dikulturkan dalam piring petri yang Mengandungi agar nutrien selama lima hari pada suhu 370C. Keputusan eksperimen ditunjukkan dalam Jadual 8. Time /Day Masa /Hari 1 2 3 4 5

Number of bacterial colonies Bilangan koloni bakteria 8 15 19 21 22 TABLE 8 JADUAL 8

(a) Using data in Table 8, draw a graph of the number of bacterial colonies against time Dengan menggunakan data dalam Jadual 8, lukis graf bilangan koloni bakteria melawan masa

Bilangan koloni bakteria

Masa /Hari ___________________________________________________________________________________________ _roslainigc

9

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _

(b) What is the relationship between the number of bacterial colonies and time ? Apakah hubungan antara bilangan koloni bakteria dengan masa ? ........................................................................................................................... ........................................................................................................................... 8

A student has conducted an experiment to study the reaction of magnesium and hydrochloric acid. Hydrogen gas is produced during the reaction. The volume of gas collected is recorded every 30 minutes. Table shows the result of this experiment.

Time /seconds Volume of hydrogen gas/cm3

0 0

30 15

60 26

90 35

120 40

150 40

180 40

(a) Based on Table above, draw a graph of the volume of hydrogen gas against time.

___________________________________________________________________________________________ _roslainigc

10

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _

(b) Based on the graph in (a), state the relationship between the volume of hydrogen gas and time in the first 90 minutes? …………………………………………………………………………………………..

___________________________________________________________________________________________ _roslainigc

11

Program Galus Sains SPM Basic Scientific Skills Exercise- Communication

_______________________________________________________________________ _

___________________________________________________________________________________________ _roslainigc

12