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Science questions, unit 1
Nama / NameKelas / ClassTarikh / Date

Scientific skills

28 marks. Use Practice to check each answer as you go, or Exam to answer everything first. Ask a grown-up to help you mark the written answers.

Section A: objective questions

8 marks
Choose the best answer for each question.
1

Question 1

Diagram 1 shows a boy watching fireworks. He covers his ears because the bangs are loud. Which sense tells him the fireworks are loud?
Two boys watching fireworks; one covers his ears
Diagram 1
Show answerHide answer
B
We hear sounds with our ears. That is the sense of hearing.
For the teacher: Remembering, low difficulty, standard 1.1.1
Textbook p. 2
2

Question 2

Lim is blindfolded. He picks an object from a box. He shakes it and it rings. Which object is it?
Show answerHide answer
D
A bell makes a ringing sound, so Lim can find it by hearing.
For the teacher: Understanding, low difficulty, standard 1.1.1
Textbook p. 3
3

Question 3

Langgi sorts his grandfather's stamps into two groups, as in Diagram 2. Which characteristic did he use?
Stamps sorted into two groups
Diagram 2
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C
One group is triangles and the other is rectangles. He sorted them by shape.
For the teacher: Understanding, low difficulty, standard 1.1.2
Textbook p. 5
4

Question 4

Diagram 3 shows a pencil on a ruler. How long is the pencil?
A pencil from the 0 mark to the 7 mark on a ruler
Diagram 3
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A
The pencil starts at 0 and ends at 7. So it is 7 cm long.
For the teacher: Applying, low difficulty, standard 1.1.3
Textbook p. 7
5

Question 5

Cikgu Ravi wants to record the time of a 100 m race on Sports Day. Which tool should he use?
Show answerHide answer
B
A stopwatch measures time. A ruler and a measuring tape measure length.
For the teacher: Remembering, low difficulty, standard 1.1.3
Textbook p. 6
6

Question 6

Kina looks at a plant in a pot. Which sentence is an inference?
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C
An inference is a sensible reason for what we see. The other three are observations.
For the teacher: Understanding, medium difficulty, standard 1.1.4
Textbook p. 9
7

Question 7

Diagram 4 shows cream flowers on a cake. Predict the colour of the next flower.
Cream flowers in the order white, red, yellow, white, red, yellow
Diagram 4
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A
The pattern is white, red, yellow, then it repeats. After yellow comes white.
For the teacher: Applying, low difficulty, standard 1.1.5
Textbook p. 11
8

Question 8

Kina puts a grasshopper in a jar. Why does she cover the jar with a cloth with holes?
A jar covered with a red cloth with holes
Diagram 5
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D
Air can go in through the holes, so the grasshopper can breathe. Living specimens must be handled with care.
For the teacher: Understanding, medium difficulty, standard 1.2.2
Textbook p. 16

Section B: structured questions

20 marks
Answer all questions. Circle the answer or write it in the space.
9

Question 9

Diagram 6 shows four friends at Pak Mat's stall. Which sense does each child use? Choose from: sight, hearing, smell, taste, touch.
Four children eating cendol and banana fritters at a stall
Diagram 6
[1 mark] (a)"This banana fritter smells really nice!"
Show answerHide answer
Smell
[1 mark] (b)"That ice grating machine is making a sound."
Show answerHide answer
Hearing
[1 mark] (c)"This cendol is really cold!"
Show answerHide answer
Touch
We feel hot and cold with our skin.
For the teacher: Remembering, low difficulty, standard 1.1.1
Textbook p. 1
10

Question 10

Diagram 7 shows three animals.
A hamster, a rabbit and a squirrel
Diagram 7
[1 mark] (a)State one characteristic that these three animals share.
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Tick each point you got.
[1 mark] (b)Langgi sorts two more animals, a goat and a duck. Classify the goat.
Show answerHide answer
Has fur
[1 mark] (c)Classify the duck.
Show answerHide answer
Has feathers
For the teacher: Understanding, low difficulty, standard 1.1.2
Textbook p. 22
11

Question 11

Ahmad measures things at school.
[1 mark] (a)Ahmad runs around the field. Diagram 8 shows the stopwatch when he stops. How long did he take?
Digital stopwatch showing 02:45 18
Diagram 8
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2 minutes 45 seconds
The first big numbers (02) are minutes. The next big numbers (45) are seconds.
[1 mark] (b)Diagram 9 shows three eye positions, P, Q and R, for reading the length of a block. Which position is correct?
A block on a ruler with three eyes, P, Q and R, above its end
Diagram 9
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Q
The eye must be straight above the end of the block. Q is straight above it. The block is 9 cm long.
For the teacher: Applying, medium difficulty, standard 1.1.3
Textbook p. 6
12

Question 12

Ali measures a straw with a ruler, as in Diagram 10. He says, "The straw is 8 cm long."
A straw on a ruler starting at the 2 mark and ending at the 8 mark
Diagram 10
[1 mark] (a)Is Ali correct?
Show answerHide answer
No
The straw does not start at the 0 mark.
[1 mark] (b)What is the real length of the straw?
Show answerHide answer
Tick each point you got.
[1 mark] (c)Give Ali one piece of advice so he measures correctly next time.
Show answerHide answer
Any 1 points
Tick each point you got.
For the teacher: Evaluating, high difficulty, standard 1.1.3
Textbook p. 7
13

Question 13

Diagram 11 shows Siti's plant.
A girl looking at a wilted plant with yellow drooping leaves
Diagram 11
[1 mark] (a)Write one observation about the plant.
Show answerHide answer
Tick each point you got.
[1 mark] (b)Make one inference about the plant.
Show answerHide answer
Any 1 points
An inference starts with a sensible reason, e.g. "Maybe …". It may be true or false.
Tick each point you got.
For the teacher: Analysing, medium difficulty, standard 1.1.4
Textbook p. 9
14

Question 14

Year 3 Bestari asked each pupil to name their favourite kuih. Diagram 12 shows the results.
Bar chart: kuih lapis 9, onde-onde 6, seri muka 4, karipap 7
Diagram 12
[1 mark] (a)Which kuih is the most favourite?
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Tick each point you got.
[1 mark] (b)How many pupils like karipap?
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Tick each point you got.
[1 mark] (c)How many more pupils like kuih lapis than karipap?
Show answerHide answer
Tick each point you got.
For the teacher: Applying, medium difficulty, standard 1.1.6
Textbook p. 13
15

Question 15

Diagram 13 shows Mei Ling's sketch of a test tube. Name the parts labelled P and R.
Sketch of a test tube with three label lines P, Q and R
Diagram 13
[1 mark] (a)P
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Stopper
[1 mark] (b)R
Show answerHide answer
Solution
For the teacher: Remembering, low difficulty, standard 1.2.3
Textbook p. 19
16

Question 16

Answer these questions about looking after apparatus.
[1 mark] (a)"We should throw soil specimens into the sink."
Show answerHide answer
False
Soil will block the sink.
[1 mark] (b)Diagram 14 shows three steps, P, Q and R, after an investigation. Write them in the correct order.
Test tubes drying upside down on a rack
P
A pupil putting beakers on a shelf
Q
A pupil washing a beaker at the sink
R
Show answerHide answer
Tick each point you got.
For the teacher: Understanding, medium difficulty, standard 1.2.5
Textbook p. 20