FORM 1

Chapter 3(matter)

1. Diagram shows the arrangement of particles in three different states of matter.

(a) Name the three states of matter P,Q and R in diagram above.

P: _________________ Q: _________________

R : ________________ ( 3 marks )

( b) i. Give one example for matter P

_________________________________________________________________ ( 1 mark )

ii. Give a reason for your answer in (b ) i .

___________________________________________________________________ ( 2 marks)

( c) What is the difference between matter Q and R ?

____________________________________________________________________ ( 1 mark )

Chapter 4: The variety of resources on earth

Diagram 2.1 shows two pictures of different substances, M , N and O.

M N O

soil

iron

water

i. ___________________ ii. ____________________ iii. ___________________

Diagram 2.1

a. On Diagram 2.1, label the substance M , N and O with the following words.

[ 3 marks ]

b. Based on Diagram 2.1 ( a ), what is the method to separate substance O ?

___________________________________________________________________________

[ 1 mark ]

c. An iron nail is a metallic substance.

State one characteristic of metallic substance.

___________________________________________________________________________

[ 1 mark ]

d. Diagram 2.2 shows the arrangement of the particles of substances J and K.

J K

Diagram 2.2

Based on Diagram 2.2 above , state one example of substances J and K.

i. Substance J : _____________________________________________________

ii. Substance K : _____________________________________________________

[ 2 marks ]

Chapter 5 : The air around us

Mixture Element Compound

4. Diagram 4 shows an experiment to investigate respiration in living things. The

result of the experiment is shown in Table 4.1.

Diagram 4

Boiling Tube Observation of the coloured indicator

R Moves towards the boiling tube

S Moves towards the boiling tube

T Does not move

Table 4.1

a. Why is the cotton wool is soaked with sodium hydroxide solution ?

_________________________________________________________________

[ 1 mark ]

a. Based on Table 4.1 :

i. Why does the coloured indicator move towards the boiling tube R and S ?

________________________________________________________

________________________________________________________[ 2 marks ]

ii. Why is there no movement of the coloured indicator in boiling tube T ? _________________________________________________________

[ 2 marks ]

c. What is the gas needed by the living things for the respiration ?

R

S

T

_______________________________________________________________[ 1 mark ]

Form2

Chapter1: The world through the senses

1. Diagram 1 shows the structure of the human ear

Diagram 1

b. On Diagram 1 , label the parts P , Q and R using the following words.

[ 3 marks ]

b. T helps the body to maintain balance. Mark T on Diagram 1 to show the structure.

[ 1 mark]

c. Draw lines to match the structures to their correct functions. Draw the lines as shown below.

Q :

Auditory nerve Ossicles Eardrum Cochlea

R :

Structure Function

[ 2 marks ]

2) Diagram show two common vision defects.

(a) Name the vision defect in i) X :……………………………………………………………

ii) Y :…………………………………………………………… (2 marks)

(a) State the type of lens used to correct the vision defects ini) X :…………………………………………………………..

ii) Y :…………………………………………………………… (2 marks)

(b) Draw on the diagrams below how you can correct the vision defects byUsing the lenses you named in (b).

( 2 marks)

R

Q

Vibrates when its receives the sound waves and passes it to the ossicles

Carry nervous impulses from the cochlea to the brain.

Magnify the sound vibration.P

Chapter 9 :stability

. 1) a. Diagram 8.1 shows a giraffe standing in two different positions at different times.

Position A Position B

Diagram 8.1

i. Based on your observation in Diagram 8.1 , state the difference in stability of giraffe when it standing in position A and B.

______________________________________________________________

______________________________________________________________[ 1 mark ]

ii. What inference can be made based on the standing position of A and B in Diagram 8.1 ?

_____________________________________________________________

_____________________________________________________________[ 1 mark ]

iii. State one hypothesis based on your observation in Diagram 8.1 _____________________________________________________________

_____________________________________________________________

[ 1 mark ]

b. The student carried out an experiment to investigate the situations in Diagram

8.1. Diagram 8.2 shows the experiment set-up of the apparatus used.

Diagram 8.2

The student takes the following steps.

Step 1 : Model T is placed in front of a table fan. The distance between

model T and the fan is 120 cm.

Step 2 : The fan is switched on at the speed of 1 and a stopwatch is set on at

the same time.

Step 3. : The time taken for model T to fall is recorded.

Step 4 : Steps 1 to 3 are repeated for models U and V.

i. Record the time taken for models T , U and V to fall in the spaces provided.

6 cm 5 cm

10 cm

8 cm

10 cm

9 cm

The time taken for the model T to

fall = ________________ ( s )

The time taken for the model U to

fall = ________________ ( s )

The time taken for the model V to

fall = ________________ ( s )

[ 3 marks ]

ii. Complete Table 8.1 by recording the base area of models T , U and V the

stopwatch readings.

Model T U V

2

Base area ( cm )Stopwatch readings (s )

Table 8.1

[ 1 mark ]

c. Based on the readings in Table 8.1 , draw bar chart to show the time taken for the

models to fall.

[ 2 marks ]

2)Diagram below shows a wooden block.

Time taken for the model to fall (s )

T U V

Model

a) i) Suggest a way to make the wooden block stable by drawing in the space given below.

( 2 marks)

ii) How can you make the model become stable.

1………………………………………………………

2……………………………………………………….(2 marks)

b)Model A, B and C in the diagram have the same height.

A B C

(i) Which of the object is most stable ?

………………………………………………………….

(ii) Which of the object is least stable ?

…………………………………………………………. (2 marks )

ANSWER

2( a )

i

ii

iii

( b )

( c )

( d ) i

ii

M : mixture

N : element

O : compound

By electrolysis

- shiny ( berkilat)- can be polished ( boleh digosok )- malleable ( boleh ditempa/dibentuk)- ductile ( boleh dimulurkan )- good conductor of heat ( penghalir haba yang baik. )- good conductor of electricity ( pengalir elektrik yang baik )- high melting point ( takat kecairan tinggi )- high boiling point ( takat didih tinggi )

- Soil accept any suitable answer- petroleum- blood

- water

- carbon dioxide

- ammonia

2 (a) (b)

(c)

P – Solid , Q – Liquid , R – Gas(i) Example of any solid(ii) The particles are arranged closely and orderly

- Space between particles in R is further than in Q/Kinetic Energy in R is higher than in Q/any propertiesin liquid and gas.

4A)To absorb carbon dioxide released by the cockroach and germinating seeds.

Bi)Oxygen has been used by the cockroach and germinating seeds for respiration. The air pressure inside the test tube R and S is decreased / reduced and cause the higher air pressure from outside to push the indicator to move towards the test tube.

ii)There is no living things in the test tube T, so there is no change in the air pressure inside the tube. c)Oxygen

auditory nerve

Ossicles

T

Eardrum

R

Q

Vibrates when its receives the sound waves and passes it to the ossicles

Carry nervous impulses from the cochlea to the brain.

Magnify the sound vibration.P

A i) - the standing position of B is more stable than A// - the standing position of giraffe in A is less stable than the standing position of giraffe in B // - the standing position of giraffe in B is more stable than the standing position of giraffe in A.

ii) - The standing position of B has a larger base area than A // { wider / bigger } - The standing position of B has a lower the height of the center of gravity iii) - the larger base area of the object, more stable the stability of an object. - the lower the height of the centre of gravity, more stable the stability of an object.

T - 4 second U - 7 second V - 12 second

Model T U VBase area ( cm ) 30 72 100Stopwatch readings (s ) 4s 7s 12s

6 (a)

(b)

(c)

(i) Short-sightedness(ii) Long-sightedness

(i) Concave lens(ii) Convex lens

Manipulated variable The base area of the models /object //The height of the centre of gravity

Responding variable The time taken for the models to fall

- the larger the base area of an object, the more stable the object is. [ bigger // wider ] //- the stability of an object increase when the base area of an object is larger // wider// bigger.- the lower the height of the centre of gravity, the more stable the object is.

Time taken for the model to fall ( s )

Model

T U V

2

4

6

8

10

4 (a)

(b)

i.

ii. 1. Lower the centre of gravity

2. Increase the surface

i. Object B ii. Object A