Sound Energy

27 Grade 5 Integrated Science questions on Sound Energy, with worked marking schemes. 27 questions are available on this topic in full.

1. Question 1

   1 mark

   A drum makes a loud sound when hit hard and a soft sound when hit gently. This shows that the loudness of the sound depends on ______.

   A. The colour of the drum

   B. How hard the drum is hit

   C. The size of the room

   D. The time of day

   (1 mark)

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2. Question 2

   1 mark

   Which one of the following is a good way of controlling noise pollution?

   A. Shouting in class

   B. Switching off machines when they are not in use

   C. Hooting car horns very often

   D. Playing loud music late at night

   (1 mark)

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3. Question 3

   3 marks

   Name three sources of sound found in or around your school.

   (3 marks)

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4. Question 4

   1 mark

   Sound is produced when an object ______.

   A. Melts

   B. Freezes

   C. Dissolves

   D. Vibrates

   (1 mark)

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5. Question 5

   1 mark

   A small whistle produces a high sound while a big drum produces a low sound. The highness or lowness of a sound is called its ______.

   A. Pitch

   B. Loudness

   C. Colour

   D. Weight

   (1 mark)

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6. Question 6

   1 mark

   Which musical instrument produces sound mainly when it is blown?

   A. Flute

   B. Guitar

   C. Nyatiti

   D. Drum

   (1 mark)

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7. Question 7

   2 marks

   Musa beats a drum gently, and then he hits it harder.

   (a) What happens to the sound when he hits it harder? (1 mark)

   (b) Explain why this happens. (1 mark)

   (2 marks)

   Marking scheme

   (a) The sound becomes louder (1). (b) Hitting the drum harder makes the drum skin vibrate more strongly, producing a louder sound (1).

8. Question 8

   4 marks

   Name two traditional Kenyan musical instruments and state how each one produces sound (for example by beating, blowing or plucking).

   (4 marks)

   Marking scheme

   Any two instruments named with method (2 marks each): drum - by beating/hitting; nyatiti - by plucking its strings; horn/coro - by blowing; orutu - by bowing/rubbing a string.

9. Question 9

   4 marks

   (a) Name the three media (types of material) through which sound can travel. (3 marks)

   (b) Give one example of sound travelling through a solid. (1 mark)

   (4 marks)

   Marking scheme

   (a) Solids; liquids; gases (1 mark each). (b) Any correct example (1): hearing footsteps through the ground; a string telephone; hearing a knock through a wall or desk.

10. Question 10

    1 mark

    Sound cannot travel through a

    A. water

    B. vacuum

    C. wall

    D. door

    (1 mark)

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11. Question 11

    1 mark

    When you pluck a guitar string, it produces sound because the string

    A. breaks

    B. stretches

    C. shrinks

    D. vibrates

    (1 mark)

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12. Question 12

    3 marks

    (a) What is noise pollution? (1 mark)

    (b) State two sources of noise pollution in a town. (2 marks)

    (3 marks)

    Marking scheme

    (a) Too much loud, unwanted sound that disturbs people or the environment (1). (b) Any two (1 each): hooting vehicles; loud music/discos; machines or factories; construction work; loudspeakers.

13. Question 13

    1 mark

    Loud, unwanted sound that disturbs people is called ______.

    A. Noise pollution

    B. Music

    C. Vibration

    D. An echo

    (1 mark)

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14. Question 14

    1 mark

    Sound travels through

    A. only water

    B. only air

    C. only metal

    D. solids, liquids and gases

    (1 mark)

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15. Question 15

    1 mark

    Sound can travel through solids, liquids and ______.

    A. Gases

    B. Empty space

    C. Darkness

    D. Light

    (1 mark)

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16. Question 16

    1 mark

    Two learners talk to each other using a string telephone made of two tins joined by a tight string. The sound travels from one tin to the other mainly through the ______.

    A. Light

    B. Water

    C. String (a solid)

    D. Empty space

    (1 mark)

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17. Question 17

    2 marks

    State two effects of noise pollution on people.

    (2 marks)

    Marking scheme

    Any two (1 mark each): damages hearing/causes deafness; causes headaches; disturbs sleep and rest; leads to poor concentration; causes stress.

18. Question 18

    1 mark

    Which one of the following is a source of sound?

    A. A still glass of water

    B. A drum being beaten

    C. A closed book

    D. A stone lying on the ground

    (1 mark)

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19. Question 19

    1 mark

    Which of the following is a musical instrument?

    A. Book

    B. Table

    C. Drum

    D. Chair

    (1 mark)

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20. Question 20

    1 mark

    Loud sounds can be harmful to the

    A. ears

    B. eyes

    C. nose

    D. tongue

    (1 mark)

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21. Question 21

    1 mark

    Sound is produced when objects

    A. are heated

    B. are still

    C. are coloured

    D. vibrate

    (1 mark)

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22. Question 22

    1 mark

    The reflected sound heard after a short delay is called an

    A. noise

    B. echo

    C. vibration

    D. music

    (1 mark)

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23. Question 23

    2 marks

    (a) How is sound produced? (1 mark)

    (b) Give one example of an object that produces sound by vibrating. (1 mark)

    (2 marks)

    Marking scheme

    (a) Sound is produced when an object vibrates (moves back and forth quickly) (1). (b) Any correct example (1): drum, guitar string, bell, nyatiti, whistle.

24. Question 24

    3 marks

    State three ways of controlling noise pollution.

    (3 marks)

    Marking scheme

    Any three (1 mark each): avoid unnecessary hooting; switch off machines when not in use; reduce the volume of music/radios; plant trees to absorb sound; fit silencers on machines; keep quiet in public places.

25. Question 25

    1 mark

    Which one of the following would cause noise pollution in a town?

    A. Motor vehicles hooting loudly

    B. Leaves moving gently in the wind

    C. People whispering

    D. Birds singing softly

    (1 mark)

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26. Question 26

    1 mark

    When a guitar string produces sound, it moves quickly back and forth. This back-and-forth movement is called ______.

    A. Reflection

    B. Evaporation

    C. Vibration

    D. Dissolving

    (1 mark)

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27. Question 27

    1 mark

    When you pluck the string of a nyatiti (a traditional instrument), it produces sound because the string ______.

    A. Becomes cold

    B. Vibrates

    C. Stops moving

    D. Changes colour

    (1 mark)

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