Force & Energy Year 4

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INVESTIGATING FORCE AND ENERGY YEAR 4 Section A Bahagian A [30 marks] [30 markah] Answer all questions. Jawab semua soalan Every questions is followed by four options A, B, C and D. Tiap-tiap soalan diikuti oleh empat pilihan jawapan iaitu A, B, C dan D. Choose the correct answer. Pilih jawapan yang betul. The suggested time for this section is 45 minutes. If you unable to answer a question, proceed to the next question. Masa yang dicadangkan untuk bahagian ini ialah 45 minit. Sekiranya kamu tidak dapat menjawab sesuatu soalan, teruskan menjawab soalan berikutnya. 1. Length can be measured using A a meter ruler marked in standard units B the tip of the thumb to the tip of the little finger C an equipment with random units D an equipment with a uniform surface 2. Which of the following lengths are longer than 1 000 cm? I 1 km II 1 m II I 10 000 mm IV 100 m A I and IV only B I, II and III only C I, III and IV only D II, III and IV only 3. Which of the following is a measurement method using the human hand and feet ? A The distance between the elbow and the tip of the middle finger B The distance between the middle finger C The distance between the heel of the leg and the knee

Transcript of Force & Energy Year 4

Page 1: Force & Energy Year 4

INVESTIGATING FORCE AND ENERGY

YEAR 4

Section ABahagian A

[30 marks] [30 markah]

Answer all questions.Jawab semua soalan

Every questions is followed by four options A, B, C and D. Tiap-tiap soalan diikuti oleh empat pilihan jawapan iaitu A, B, C dan D.

Choose the correct answer. Pilih jawapan yang betul.

The suggested time for this section is 45 minutes. If you unable to answer a question, proceed to the next question. Masa yang dicadangkan untuk bahagian ini ialah 45 minit. Sekiranya kamu tidak dapat menjawab sesuatu soalan, teruskan menjawab soalan berikutnya.

1. Length can be measured using

A a meter ruler marked in standard unitsB the tip of the thumb to the tip of the

little fingerC an equipment with random unitsD an equipment with a uniform surface

2. Which of the following lengths are longer than 1 000 cm?

I 1 kmII 1 mIII 10 000 mmIV 100 mA I and IV onlyB I, II and III onlyC I, III and IV onlyD II, III and IV only

3. Which of the following is a measurement method using the human hand and feet ?

A The distance between the elbow and the tip of the middle finger

B The distance between the middle finger

C The distance between the heel of the leg and the knee

D The distance between the thumb and the midle finger stretched wide apart

4. The diagram shows the length of the table is measured using a cylindrical disk.

50 cm

Find the length of the table.

A 0.20 mB 20 mC 2 mD 4 m

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5. The table shows the length of four ropes.

Rope LengthG 150 mmH 16 cmI 1.6 mJ 0.016 km

Arrange the length of the ropes in decending order.

A J, I, G, HB J, I, H, GC J, H, I, GD G, H, I, J

6. Anne wishes to measure the length of her mobile phone. Which of the following equipment could she use?

A A meter tapeB A one meter rulerC Her legD A pencil

7. Arrange in correct order the units of measurement from the smallest value to the largest value.

A mm, m, cmB cm, mm, mC m, cm, mmD mm, cm, m

8. A half meter ruler can be used to measure...

A the length of a deskB the length of a badminton racketC the circumference of a bottle capD the width of the base of a chair

9. Which of the following units is a standard unit of length?

I meterII footIII kilometerIV millimeterA I onlyB I and II onlyC II onlyD II, III and IV only

10. The diagram shows a shaded region drawn on grids.

6 cm

6 cm

What is the area of the shaded region?

A 5 cm2

B 7 cm2

C 8 cm2

D 8.5 cm2

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11. The diagram shows a square tile used to cover the surface of a floor.

3 cm

If 600 of the tiles shown are needed to cover the area of the floor, find the surface area of the floor.

A 540 cm2

B 5 400 mm2

C 0.54 m2

D 54 m2

12. The diagram shows a rectangular field with a width of 8 m.

8 m

If the perimeter of the field is 36 m, find the area of the field.

A 80 m2

B 64 m2

C 160 m2

D 288 m2

13. The diagram shows a tray that can fit six pieces of tofu.

tofu

tray

If the surface of each tofu is 50 000 mm2, find the surface area of the tray.

A 3 000 000 cm2

B 300 000 cm2

C 30 000 cm2

D 3 000 cm2

14. The diagram shows a structure consisting of a square A and a rectangle B.

A

B

12 cm

8 cm

12 cm

Find the surface area of A and B.

A 144 cm2

B 80 cm2

C 64 cm2

D 56 cm2

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15. The diagram shows ice cubes measuring 2 cm each.

2 cm

Calculate the total surface area of an ice cube.

A 4 cm2

B 16 cm2

C 24 cm2

D 36 cm2

16. The diagram shows a birthday cake with a surface area of 36 cm2.

36 cm2

This surface area is equivalent to the surface area of 4 small square plates. Find the length of one square plate.

A 3 cmB 4 cmC 5 cmD 6 cm

17. The diagram shows a square tile S cm long.

S cm

If 100 tiles are used to cover 16 m2 of the area of the floor, find the value of S.

A 2 cmB 4 cmC 20 cmD 40 cm

18. Which of the following steps need to be taken when reading the volume of a liquid in a cylinder?

I The cylinder must be placed on a flat surface

II The position of the eye must be above the level of the curve surface of the liquid in the cylinder

III The position of the eye must be at the bottom most level of the curve

IV A piece of white paper is placed behind the cylinder in order to obtain an accurate reading

A I and II onlyB I and III onlyC I, II and IV onlyD I, III and IV only

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19. Which units are standard units for the measurement of volume?

I liter ( l)II Centimeter cube (cm³)III gram (g)IV Millimeter ( ml)A I onlyB I and II onlyC III and IV onlyD I, II and IV only

20. The diagram shows an object R and a box S.

S

6 cm

6 cm

9 cm

R

3 cm

3 cm

3 cm

How many objects R can be put inside the box S?

A 12B 16C 18D 24

21. The diagram shows four flasks G, H, I and J. The volume of H is 500 m , I is 100 m and G is 250 m .

G H I J

Which of the following is the possible volume of flask J?

A 600 mB 400 mC 200 mD 50 m

22. The table shows the results obtained from an experiment to determine the volume of three objects M, N and O. The cylinder contains 100m of liquid.

Object Liquid level (ml)M 150

M and N 190M, N and O 220

Find the volume of the object with the smallest volume.

A 50 mB 40 mC 30 mD 20 m

23. Which of the following has the same value?

Volume 1 Volume 2A 60 cm³ 600 mlB 0.5 m³ 500 cm³C 1.5 l 150 mlD 1500l 1.5 m³

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24. Adam wants to bake a cake. She weight the ingredient as below.

Flour 700 gramSugar 250 gramCoco powder 100gram

To make the cake she has to mix all the ingredient in a bowl. What is the total \weight of the mixture?

A 0.950 kilogram B 1.05 kilogramC 1kilogramD 0.700 kilogram

25. The diagram shows a scale in balance.

Watermelon Strawberries

1.5 kg

Based on the information given in the diagram, which of the following statements about watermelon and strawberries is not true?

A The mass of each strawberry is 300 gB The mass of a strawberry is smaller

than the mass of a watermelonC The mass of five strawberries is 1.5

kgD The mass of the watermelon is greater

because it has a sphere like shape

26. The diagram shows three types of icons scales.

Arrange the icons shown in the diagram in the order of decreasing mass.

A

B

C

D

27. The rising of the Sun in the morning and the setting of the Sun in the evening is a repeated happening. What is the amount of time represented by this happening?

A A quarter of the dayB Half the dayC One eighth of the dayD One full day

28. The table shows the duration and the time taken.

Duration TimeP 45 minQ 3 000 secR 0.5 hour

Arrange the duration shown in the table in the order of decreasing time.

A P, Q, RB Q, P, R C P, R, Q D R, P, Q

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29. The diagram shows Sally and Cindy use their fingers to measure the length of the wooden block.

Cindy’s hand

Sally’s hand

Wood block

Which of the following statements is correct about this activity ?

A In order to measure the length of the block accurately a standard unit of measurement is needed

B The use of fingers to measure the length of the wood is not suitable because the wood is too long

C Sally’s fingers are longer and are more suitable to use for measuring the length

D Cindy’s fingers are shorter and can be used to make a more accurate measurement

30. Which of the following physic quantity is incorrectly paired with its standard unit?

Quantity Standard unitA mass kgB time mC length cmD volume l