Ram Alan 2010

8/8/2019 Ram Alan 2010

1/28

ngaH : _______________________ mwptpay; Mz;L : ___________

- 1 - D:\sekolah\sains\Ramalan2010\RamalanBaru\ramalan2010.doc

1.

(a) Trend of water level from 0 to 4th

minutes.

_______________________________________________

(b) Based on ur answer in (a) state an inference. .

(c)Trend of water level from 4th minutes to 10th minutes._________________________________________________________________________

(d)Based on your answer in (a) state an inference. .

(e) conclusion?/ what can you conclude?

(f) Based on the information predict about the temperature of water. .

(g) Based on your prediction above state an inference. . .

2.

(a) ,e;j Ma;tpy; cw;wwpaf;$ba xd;iwAk; mjw;f Cfpj;jwpaf;$ba xd;iwAk; vOJ :

State an observation and one inference.

Temperature0C

Glass Tube

FlaskFLit

ePHWater

The diagram shows the flask filled with coloured water. The initial

water level is mark as x .The position of water level is observed from

0 to 1oth minutes.

Time/ MinNeuk;/epkplk; 0 2 4 6 8 10

Water level tHz ePhpd;

kl;lk;/cm

8 10 14 13 12 11

BalloongYhd; Circumference

of balloongYhdpd;

Rw;wsT

ePH

ghj;jpuk;

The diagram show an investigation .

Water Temperature

ePhpd; ntg;g msT/0C

35 45 55 65 60 50 40 30

Circumference ofballoon

gYhdpd; Rw;wsT/cm

20 26 32 38 35 29 23 17

In an other experiment observed that the water level decreased.

8/8/2019 Ram Alan 2010

2/28

ngaH : _______________________ mwptpay; Mz;L : ___________


cw;wwpe;jJ : _________________________________________________________________

Observation_________________________________________________________________

Cfpj;jwpe;jJ : _________________________________________________________________

Inference _________________________________________________________________(b) ntg;g msT caUk;NghJ gYhdpd; Rw;wsT khw;wk; ve;j mikg;G Kiwapy; cs;sJ.

What is the trend of balloon circumference when water temperature increase.

(c) ntg;g msT FiwAk;NghJ gYhdpd; Rw;wsT khw;wk; ve;j mikg;G Kiwapy; cs;sJ.

What is the trend of balloon circumference when water temperature decrease.

(d) ,e;j Ma;tpd; KbT ahJ ?/ What is the conclusion?

(e) ,e;j Ma;tpd; fUJNfhs; xd;wpid vOJ ?State a relationship

(f) ,e;j Ma;tpd; Nehf;fk; vd;d?Aim of this investigation

(a) Aim/,e;j Ma;tpd; Nehf;fj;jpidf; Fwpg;gplTk;.

b.State all the variables.,e;j Ma;tpy; milahsk; fhz Ntz;ba khwpfisf; Fwpg;gplTk;.

c) Realationship between two variables.,uz;L khwpfSf;fpil cs;s njhlHig Fwpg;gpLf.

gYhd;Aballon A gYhd;B gYhd;C

Nghj;jyBottle;

Nghj;jy;

ghj;jpuk;Container

ghj;jpuk;

ntt;NtW ntg;g epiyiaf;nfhz;l RLePhpy; gYhdpd;tphpthf;fj;ij gw;wpa Ma;tpid

fhl;LfpwJ. vy;yh ghj;jpuq;fspYrk msT ePH epug;gg;gl;Ls;sJ

The bottles are put in the differentemperature of water. The

observation shown in the diagram

Water

temperature 900C

Water

temperature 500C Water

temperature 700C

3

8/8/2019 Ram Alan 2010

3/28

ngaH : _______________________ mwptpay; Mz;L : ___________


d. Conclusion :

e. Give an inference why the size of balloon C is the biggest.

4.

The diagram shows an investigation. A falsk is place into the beaker contain difference watertemperature. The water level is observed after 5 minitue. ntt;NtW ntg;g mstpidf;nfhz;l Kfit X Yk; Kfit Y apYk; ,uz;L FLitfis itj;J Ma;T xd;wpidNkw;nfhz;lhs; mKjh. ,e;j Ma;tpy; me;e ,uz;L FLitapd; tha;g;gFjpy;nghUj;jg;gl;Ls;s fz;zhbf; Fohapy; fhZk; tHz ePHj;Jspfspd; kl;lj;jpd; khw;wq;fiscw;wwpag;gl;lJ. ,e;epiyapid NkYs;s glk; fhl;Lfpd;wJ.

(a) State an observation and an inference for ur observation. ,e;j Ma;tpy; cw;wwpag;gl;lxd;wpidAk; mjw;fhd fUj;J xd;wpidAk; Cfpj;jf; $W.

Observation : cw;wwpe;jJ :__________________________________________________________

____________________________________________________________________

Infference/ Cfpj;jJ : ____________________________________________________________

____________________________________________________________________

(b) State all variable. ,e;j Ma;tpy; milahsk; fhz Ntz;ba khwpfs;:

________________________________________________________________________________

________________________________________________________________________________

________________________________________________________________________________

(c) ,g;ghpNrhjidapd; Kbtpidf; $wTk; ?

______________________________________________________________

300C

600C

Lower water

levelHigher water

level

Glass tube

flask

Colored water

beaker

Water temperature 300CWater temperature 600C

8/8/2019 Ram Alan 2010

4/28

8/8/2019 Ram Alan 2010

5/28

ngaH : _______________________ mwptpay; Mz;L : ___________


6.

18 13 8

The diagram above show 3 different model and time taken to fall down when same amount ofpulling forced applied.

3 7 .

a). State an inference about the differences in time taken to fall down for model P and modelR. P Q .

b). what is the aim of this investigation? ?

c) Sate the variables :i. Keeep the same/ : _________________________________

ii. Make change/ : _________________________________________iii. Observed / : _____________________________________

d) Predict the time taken to fall down for the model below. .

P Q R

8/8/2019 Ram Alan 2010

6/28

ngaH : _______________________ mwptpay; Mz;L : ___________


7.

18 13 8

The diagram above show 3 different model and time taken to fall down when same amount ofpulling forced applied. 3 7 .

a). State an inference about the differences in time taken to fall down for model P and modelR. P Q .

b). what is the aim of this investigation? ?

c) Sate the variables :i. Keeep the same/ : _________________________________

iv. Make change/ : _________________________________________v. Observed / : _____________________________________

d) Predict the time taken to fall down for the model below. .

P Q R

36cm26cm 16cm

8cm

8/8/2019 Ram Alan 2010

7/28

ngaH : _______________________ mwptpay; Mz;L : ___________


8.

(a)State the variables.,e;j Ma;tpy; milahsk; fhz Ntz;ba khwpfisf; Fwpg;gplTk;.

______________________________________________________________________________

______________________________________________________________________________

_____________________________________________________________________________

(b)Aim/,e;j Ma;tpd; Nehf;fk;?

______________________________________________________________________________

______________________________________________________________________________

(c)What can you conclude about this investigation? ,e;j Ma;tpd; KBT ?

______________________________________________________________________________

______________________________________________________________________________

(d)State the relationship? ,e;j Ma;tpd; fUJNfhs; ?

______________________________________________________________________________

______________________________________________________________________________

(e)If the distance of X is 30cm predict the diameter of shadow?

,e;j Ma;tpy;X-d; Jhuk;30cm vd fzf;fplg;gl;lhy; epoypd; tpl;lj;jpid mDkhdp.

______________________________________________________________________________

(f)What is the trend of the diameter of shadow?epoypd; tpl;lk; khw;wk; miltJ ve;j khjphpahd mikg;gpy; cs;sJ?

______________________________________________________________________________

Distance of X/X- d; Jhuk; /cm Diameter of shadow/epoypd; tpl;lk;/ cm10 20

20 16

40 8

50 4

mUfpy; glj;jpy;fhl;bAs;sJNghykhztd; xUtd;Ma;tpidNkw;nfhz;lhd;. ,e;jMa;tpy; ge;jpidefHj;Jk; nghOJepoypd; tpl;lj;jpy;Vw;gLk; khw;wj;jpidfPOs;sml;ltizapy;Fwpf;fg;gl;lJ.

8/8/2019 Ram Alan 2010

8/28

ngaH : _______________________ mwptpay; Mz;L : ___________


(g)Why shadow form? epoy; cz;lhff; fhuzk; vd;d ?

___________________________________________________________________________________________________________________________________________________________

9.

(M)

a. a. State the variables.,e;j Ma;tpy; milahsk; fhz Ntz;ba khwpfisf; Fwpg;gplTk;.

______________________________________________________________________________

______________________________________________________________________________

_____________________________________________________________________________

(b) Aim/,e;j Ma;tpd; Nehf;fk;?

______________________________________________________________________________

______________________________________________________________________________


______________________________________________________________________________

______________________________________________________________________________

(d)State the relationship? ,e;j Ma;tpd; fUJNfhs; ?

______________________________________________________________________________

______________________________________________________________________________

Distance between object and lightsource/cm

size of shadow/ / cm

10 20

20 16

40 8

50 4

mUfpy; glj;jpy;fhl;bAs;sJNghykhztd; xUtd;Ma;tpidNkw;nfhz;lhd;. ,e;jMa;tpy; ge;jpidefHj;Jk; nghOJepoypd; Vw;gLk; khw;wj;jpidfPOs;sml;ltizapy;Fwpf;fg;gl;lJ.

8/8/2019 Ram Alan 2010

9/28

ngaH : _______________________ mwptpay; Mz;L : ___________


(e)If the Distance between object and light source 30cm predict the sizeof shadow?,e;j Ma;tpy; 30cm vdfzf;fplg;gl;lhy; epoypd; mDkhdp.

______________________________________________________________________________

(f) What is the trend of the size of shadow?

epoypd; cs;sJ?

______________________________________________________________________________


___________________________________________________________________________________________________________________________________________________________

10.

a.State the variables.,e;j Ma;tpy; milahsk; fhz Ntz;ba khwpfisf; Fwpg;gplTk;.

______________________________________________________________________________

______________________________________________________________________________

_____________________________________________________________________________

(b)Aim/,e;j Ma;tpd; Nehf;fk;?

______________________________________________________________________________

______________________________________________________________________________

Distance between object and screensource/cm

size of shadow/ / cm

10 20

20 16

40 8

50 4

mUfpy; glj;jpy;fhl;bAs;sJNghykhztd; xUtd;Ma;tpidNkw;nfhz;lhd;. ,e;jMa;tpy; ge;jpidefHj;Jk; nghOJepoypd; Vw;gLk; khw;wj;jpidfPOs;sml;ltizapy;Fwpf;fg;gl;lJ.

8/8/2019 Ram Alan 2010

10/28

ngaH : _______________________ mwptpay; Mz;L : ___________



______________________________________________________________________________

______________________________________________________________________________

(d) State the relationship? ,e;j Ma;tpd; fUJNfhs;?

______________________________________________________________________________

______________________________________________________________________________

(e)If the Distance between object and screen 30cm predict the sizeof shadow?

,e;j Ma;tpy; 30cm vdfzf;fplg;gl;lhy; epoypd; mDkhdp.

______________________________________________________________________________

(f)What is the trend of the size of shadow?epoypd; cs;sJ?

______________________________________________________________________________


______________________________________________________________________________

___________________________________________________________________________

11.

Observation/ :

At Position P size of objects shadow is bigger than at position R

R P .

P R .

a. What is the aim of investigation? ?

Torch

Object

Screen

P Q R S

8/8/2019 Ram Alan 2010

11/28

ngaH : _______________________ mwptpay; Mz;L : ___________


b. i. What is changed? ( )

___________________________

ii. What is kept same?

___________________________

Iii. What is measured?

___________________________

C. State the relationship between distance of object from the torch light and size of shadow.

.

d. Predict the position object if size of shadow is smallest. .

e. State an inference about the object based on the observation above. .

________________________________________________________________________

12.

The table below shows time taken by two toy car to travel the 20 meter distance. 20 .

Type of car/ A B CTime(second)/() 20 25 30

a. What can you say/(observation) about the difference of time taken of three toycars.? / ?

.

b. State one inference based on your answer in (a).(a) .

.

An object is place between light source and screen. Its observed that no shadowforms.

8/8/2019 Ram Alan 2010

12/28

ngaH : _______________________ mwptpay; Mz;L : ___________


c. State two variables that can be indentify in this investigation. .

..

..

(d) State the relationship? ,e;j Ma;tpd; fUJNfhs;?

..

..

d. State a relationship based on the information above.

.

( 1 mark )

13.The Diagram below shows an investigation. Different amount of water and oil are filled intothree test tubes, P, Qand R. Then an iron nail is placed into each of the test tubes. Twoweeks later, the colour of the iron nails is observed and the result is recorded in theTablebelow.

P,q R . .

.

Speed of the toy cars depends on the number of batteries used. .

8/8/2019 Ram Alan 2010

13/28

ngaH : _______________________ mwptpay; Mz;L : ___________


(a)State three reasons (inferences) based on the result of the investigation. .

P : ______________________________________________________

Q: _______________________________________________________

R: _______________________________________________________

(b)State two variables that are kept the same (constant) in this investigation.

(c) What can you conclude from this investigation? .

14.a. What is the aim of investigation?

?


___________________________


___________________________


___________________________

Bread

Black Spots

Damp bread

Normal bread

8/8/2019 Ram Alan 2010

14/28

ngaH : _______________________ mwptpay; Mz;L : ___________


C. State the relationship between volume of water and number of black spots. .

d. State conclusion based on the observation? .

e. The bread shown above is left for 2 weeks but no black spot were found. state aninference about your observation. 2 . .

15.

8/8/2019 Ram Alan 2010

15/28

8/8/2019 Ram Alan 2010

16/28

ngaH : _______________________ mwptpay; Mz;L : ___________


(a ) State one manipulated variable. ________________________________________________________________________

[l mark](b) What conclusion can be drawn based on the results? ?

(c) Using the 'result of this investigation, state one inference ,about material P.

(d) State one observation to support the inference in 3(c).

8/8/2019 Ram Alan 2010

17/28

ngaH : _______________________ mwptpay; Mz;L : ___________


(a) What is the aim of investigation? ?

17

8/8/2019 Ram Alan 2010

18/28

ngaH : _______________________ mwptpay; Mz;L : ___________


18.

X YNumber of swings in 30 seconds for pendulum Y is 35 swings

Number of swings in 30 seconds for pendulum X is 15 swings



___________________________


___________________________Iii. What is measured?

___________________________

C. State the relationship between length of of the pendulum and the number of swings of thependulum?

30 .

c. Predict the number of swings of the pendulum if the length of the pendulum is 5cm. 5cm .

3cm

7cm

10gram

10gram

8/8/2019 Ram Alan 2010

19/28

ngaH : _______________________ mwptpay; Mz;L : ___________


d. Predict the number swings of pendulum Y if the weight of pendulum used is increasedto 15gram with 3 cm lenght.3cm Y 15 .

(f)

What can you conclude from this investigation? .

8/8/2019 Ram Alan 2010

20/28

ngaH : _______________________ mwptpay; Mz;L : ___________


19

8/8/2019 Ram Alan 2010

21/28

ngaH : _______________________ mwptpay; Mz;L : ___________


20.

The diagram above shows different gears with number of teeth. The table blow shows theresult of this investigation. . .

Gear/ Speed/ (m/s)P 10Q 20



___________________________


___________________________


___________________________

C. State the relationship between make change and observed. .

Gear P P

Gear Q Q

8/8/2019 Ram Alan 2010

22/28

ngaH : _______________________ mwptpay; Mz;L : ___________


(d) Predict the speed of bcycle if it is use following gear. .

(e)

What can you conclude from this investigation? .

8/8/2019 Ram Alan 2010

23/28

ngaH : _______________________ mwptpay; Mz;L : ___________


21.

Diagram A. A

Diagram B B



___________________________


___________________________

Force needed is 50 newto n

10kg

10kg

Force needed is 30 newto n

10kg

8/8/2019 Ram Alan 2010

24/28

ngaH : _______________________ mwptpay; Mz;L : ___________



___________________________

C. State the relationship between make change and observed. .

22

Block weight 5kg

P Q R S

Fulcrum/

Diagram above shows a simple machine. The number of block need to balance the lever isobserved. The result is show in the table below. . .

.

Position of block/ P Q R

Number of Block needed/

.10 8 6



___________________________


___________________________

8/8/2019 Ram Alan 2010

25/28

ngaH : _______________________ mwptpay; Mz;L : ___________



___________________________

C. State the relationship between two variables.? .

d. State conclusion based on the diagram? .

...

a. Predict the number of block need at the position of S.S >

_________________________________________________________

23.

Block weight 5kg

Fulcrum/

Diagram above shows a simple machine. The number of block need to balance the lever isobserved. The result is show in the table below. . . .

Position of force/ P Q R

Amount of Force(N) /

20 18 14

s

R

Q

P

8/8/2019 Ram Alan 2010

26/28

ngaH : _______________________ mwptpay; Mz;L : ___________


c. What is the aim of investigation? ?

d.

i. What is changed? ( )

___________________________


___________________________


___________________________

C. State the relationship between two variables.? .

d. State conclusion based on the diagram? .

...

b. Predict the amount of force need at the position of S.

S ?

_________________________________________________________

8/8/2019 Ram Alan 2010

27/28

ngaH : _______________________ mwptpay; Mz;L : ___________


24.Distance moved(m)/

Surface/

The diagram above shows the distance move by a car in 40 seconds on 4 different surfaces. .

a. Aim/

b. variables/information/

c. relationship/

d. conclusion/

f. State an inference about the distance move by car on the surface S. S .

0

10

20

30

40

50

60

70

80

90

P Q R S

8/8/2019 Ram Alan 2010

28/28

ngaH : _______________________ mwptpay; Mz;L : ___________

g. What is pattern 0of distance moved.

_______________________________________________________________________________

h. Based on the information above state a relationship between two variables.

.

i.

Based on the information above state a relationship between two variables.

.

Distance move by cars depends on the speed of cars

Distance move empty car is farer than the car full with passenger

.

Documents

Ram Alan 2010