LATIHAN SAINS

My Science Investigation 1
(10 MINUTES)

PROPERTIES OF MATERIALS

Materials / Apparatus
A bulb, connecting wires, dry cells, dry cell holder, bulb holder,
material A, B, C, D, E and F

Methods

1. An electric circuit has been set up for you.
2. Connect material A to the circuit.
3. Observe the condition of the bulb.
4. Record your observation in the table below.
5. Repeat steps 2 to 4 using the different materials listed in the table below.

My Observations Condition of the bulb

Material (6 marks)
A
B
C
D
E
F

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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Questions
1. Draw an electric circuit diagram using symbols and label the parts.

(2 marks)

2. Complete the table below by classifying the materials given.
Materials

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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My Science Investigation 2 (6 marks)
(10 minutes)

AMAZING RACE

Object Movement Through different solution
Apparatus/ materials :

3 measuring cylinders filled with solution X, Y and Z, 3 similar balls of plasticine,
Stop watch, 3 Rubber bands

Rubber band at
(a) 90 ml

Methods: (b)
Rubber band at
10 ml

1. Mark the measuring cylinder with a rubber band at (a) 90ml and (b) 10ml.
2. First release a plasticine ball in the measuring cylinder filled with solution X.
3. Record the time taken for the plasticine ball to pass from (a) to (b).
4. Then repeat steps 1 to 3 using solution Y and Z

plasticine

Solution X SAINTIS MSUoDluAtiSoEnKOYLAH RENDAH (JABATAN PESLAoJlAuRtiAoNnPZULAU PINANG)

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My Observation Time taken for the plasticine ball to pass
Type Of Solution through the solution(s)

x (3 marks)
y (1 mark)
z

1. Why are the times taken different for the object to move in the 3
different solution?

…………………………………………………………………………..
My bar chart

(5 marks)

0
My Conclusion

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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…………………………………………………………………………………………………….

My Science Investigation 3 (1 mark)
(15 minutes)

THE FLYING PAPER CLIPS

Materials/ Apparatus: parachute
Parachute, string, paper clip, and stopwatch. string

paper clips

Methods:

1. Tie 5 paper clips to the parachute.
2. Drop the parachute from level one and record the time taken for the parachute

to reach the ground.
3. Repeat steps 1 to 2 by using 10 paper clips and 15 paper clips.

My Observations:

Number of paper clips 5 10 I5

Time taken to reach the ground (3 marks)

(s)

1. State three things to keep the same in the investigation.

a) ______________________________________________________________

b) ______________________________________________________________
(3 marks)

c) ______________________________________________________________

2. State the trend of the time taken to reach the ground based on your observation.

_________________________________________________________________(1 mark)

3. Predict the time taken for the parachute to reach the ground if we use 20 paper

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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clips.
__________________________________________________________________(1 mark)

My Science Investigation 4
(10 minutes)

WHO AM I?

Materials / Apparatus:

6 different substances (A, B, C, D, E and F), 6 petri dishes, Blue litmus paper,
Red litmus paper

Methods:

1. Dip a piece of blue litmus paper and a piece of red litmus paper into the
petri dish containing substance A.

2. Observe the change in colour of the two pieces of litmus paper.
3. Record your findings in the table below.
4. Repeat steps 1 to 3 for substances B, C, D, E and F.

My Observations: Colour change of Chemical property
Substance litmus paper
A

B

C

D

E

F

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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(6 marks)
My Conclusions:
a) ________________________________________________________
b) ________________________________________________________
c) ________________________________________________________

(3 marks)

Questions
1) Substance X turns the blue litmus paper to red. Predict the taste of X?

________________________________________________________
(1 mark)

2)
Toothpaste tastes a little bit bitter

Give a reason (inference) of this statement.
______________________________________________________
______________________________________________________

(1 mark)

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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My Science Investigation 5
(10 minutes)

THIRSTY SPONGE

Materials:

Water, measuring cylinders, beaker, sponge A, sponge B, sponge C, ruler, and
stopwatch.

Procedures:

1. Measure the thickness of each sponge and record the reading.
2. Pour 300 ml of water into a beaker.
3. Place sponge A into the water and leave it there for 10 seconds.
4. Take sponge A out of the beaker by using forceps.
5. Measure the amount of water left in the beaker with a measuring cylinder.
6. Record your measurement in the table below.
7. Repeat steps 2 to 5 by using sponge B and sponge C.

My Observations:

Sponge Thickness of sponge (cm) Volume of water left (ml)
A

B

C 6 marks

1. Besides the initial of volume of water, state another thing that is kept the same.
___________________________________________________________________1_mark

My Conclusion:

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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____________________________________________________________________

____________________________________________________________________

MATERIALS AND APPARATUS 1 mark

STATI APPARATUS / MATERIALS Quantity for Quantity for
ON 1 experiment 5 experiments
1 Bulb
1 5
2 Connecting wire 3 15
2 10
3 Dry cell 1 5
4 1 5
Dry cell holder 1 5
1 5
Bulb holder 1 5
1 5
Paper clip 1 5
1 5
Thumbtack 3 15
1 box 1 box
Plastic ruler 1 5
10 50
Glass rod 100 ml 500 ml
100 ml 500 ml
Iron nail 100 ml 500 ml
2 each 10 each
Needle
1 5
Measuring Cylinder 100ml 1 5
1 5
Plasticine
3 15
Stop watch 3 15
1 5
Rubber band 6 30
1 5
Detergen Solution 1 5

Cooking Oil 3 15
3 15
Tap water 1 5

Strip colour paper (yellow, red,

green)

Paper clip (tie together)

5 paper clip

10 paper clip

15 paper clip

Parachute (tie with strings)

Black plastic bag : 30 cm X 30 cm

String : 4 X 20 cm

Stopwatch

Petri dish

Blue litmus paper

Red litmus paper

A (Lime juice)

B (Liquid soap)

C (Sugar solution)

D (Detergent)

E (Vinegar)

F (Plain water)

Measuring Cylinders (300 ml)

Beakers (500 ml)

Stopwatch

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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5 Ruler (15 cm) 1 5
Sponge (different sizes) 3 15
Water 1000 ml 5000 ml
Forceps 1 5

MARKING SCHEME:
My Science Investigation 1 : Properties of Materials.

My Observations

Material Condition of the bulb
Paper clip Light up
Thumbtack Light up
Plastic ruler
Glass rod Does not light up
Iron nail Does not light up

Eraser Light up
Paper Does not light up
Needle Does not light up

Light up

(8 marks)

Questions

1. Draw an electric circuit using symbols based on your experiment
above.

(1 mark)

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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2. Complete the table below by classifying the object given.
Materials

Conductor Insulator

Paper clip Paper
Needle Eraser
Iron nail Plastic ruler
Glass rod
Thumbtack
(10 marks)
My Science Investigation 2 : Amazing Race.

My Observation

Number of Object Time taken for the object to immerse
1 Pupils answer
2 Pupils answer
3 Pupils answer
4 Pupils answer
5 Pupils answer
5 marks

My Conclusion

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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When the weight of the object increase, the time taken for the object to immerse decrease/
The heavier the object, the shorter time taken for the object to immerse

My Science Investigation 3 : Flying Parachute.

Explanations:
Outdoor experiment, drop the parachute at level one.

My Observation:

Number of paper clips 5 10 I5
Time taken to reach the ground (s) (3 marks)

1 a) The size of parachute (3 marks)
b) The height to drop the parachute (1 mark)
c) The type of paper clips (1 mark)

2 decrease

3 any number as long more than time taken for 15 paper clips

My Science Investigation 4 : Who Am I?

My Observations Colour in change of Chemical property
litmus paper
Substance Blue to red Acidic
Red to blue Alkaline
A (Lime juice) No changes Neutral
B (Liquid soap) Red to blue Alkaline
C (Sugar solution) Blue to red Acidic
D (Detergent) No changes Neutral

E (Vinegar)
F (Plain water)

(12 marks)

My Conclusions

d) Substances A and E are acidic

e) Substances B and D are alkaline

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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f) Substances C and F are neutral (3 marks)

Questions
2) Substance X turns blue litmus paper to red. What is the taste of X?

Sour (1 mark)

2)
Toothpaste is an alkaline substance

Give a reason of this statement.
Toothpaste will turn red litmus paper to blue (1 mark)

MY SCIENCE INVESTIGATION 5: Thirsty Sponge.

Explanations:
Sponge A, B and C same size but different height.
Suggestion: Sponge A : 2 cm

Sponge B : 4 cm
Sponge C : 6 cm

Observations:

Sponge Thickness of sponge (cm) Volume of water left

A

B

C (6marks)
(1 mark for each correct answer)

1. The time given (1mark)

My Conclusion:

When the thickness of the sponge increase/decrease, the volume of water left in the beaker

decrease/increase. (1mark)

SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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SAINTIS MUDA SEKOLAH RENDAH (JABATAN PELAJARAN PULAU PINANG)

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