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SCIENCE DLP YEAR 4 (SOUND)

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

Sound___________ in all directions

Bunyi bergerak ke semua arah

a)

is absorbed

diserap

b)

travels

bergerak

2.

Sound is produced by _____________________.

Bunyi dihasilkan oleh______________________.

a)

vibration

getaran

b)

refraction

pembiasan

3.

How does sound travel?

Bagaimana bunyi bergerak?

a)

In a straight line.

dalam satu garis lurus

b)

In a curvy line.

dalam satu garis lengkung

c)

As a series of vibrations.

Sebagai rangkaian getaran.

4.

Which of the following is a property of sound?

Antara berikut, yang manakah sifat bunyi?

a)

sound can be destroyed

bunyi boleh dimusnahkan

b)

sound can be reflected

bunyi boleh dipantulkan

c)

sound travels in all directions

bunyi bergerak semua arah

5.

A guitar is struck and starts to vibrate. What will happen next?

Gitar dipetik dan mula bergetar. Apa yang akan berlaku seterusnya?

a)

The guitar will make light.

Gitar akan menghasilkan cahaya

b)

The guitar will make sound.

Gitar akan menghasilkan bunyi

c)

The guitar will become heavier.

Gitar akan menjadi lebih berat

6.

The reflection of sound waves off a hard surface can create

Pantulan gelombang bunyi dari permukaan yang keras dapat menghasilkan

a)

An echo

Satu gema

b)

A sound wave

Satu gelombang bunyi

7.

Which of the instruments make sounds through the vibration of strings?

Instrumen yang manakah mengeluarkan bunyi melalui getaran tali?

a)
b)
c)
d)
8.

Aaron is in his classroom which is on the third floor. However, she can hear the teacher talking to the pupils one floor below. How can this situation occur?

Aaron berada di kelasnya yang terletak di tingkat tiga. Namun, dia dapat mendengar guru bercakap dengan murid-murid di tingkat bawah. Bagaimana keadaan ini boleh berlaku?

a)

The teacher is using magnifying glass to overcome her limitation

Guru menggunakan kanta pembesar untuk mengatasi batasannya

b)

sound is absorbed by objects around the classroom

bunyi diserap oleh objek di sekitar kelas

c)

voices echoes and travels in all directions

suara bergema dan bergerak ke semua arah

9.

Why is the vehicle giving out sound while it was being driven?

Mengapa kenderaan mengeluarkan bunyi ketika sedang dipandu?

a)

Giving out sound to entertain the public

Memberi bunyi untuk menghiburkan orang ramai

b)

Telling the public to give way during an emergency

Memberitahu orang ramai untuk memberi laluan semasa kecemasan

c)

Attracting attention from people in the surrounding area

Menarik perhatian orang di kawasan sekitarnya

10.

Which of the following steps can reduce sound pollution?

Antara langkah berikut, yang manakah dapat mengurangkan pencemaran bunyi?

a)

Installing a fence around the house

Memasang pagar di sekitar rumah

b)

using sponge as sound absorbing material

menggunakan span sebagai bahan penyerap bunyi

c)

placing loud speakers in open spaces

meletakkan pembesar suara di tempat terbuka

11.

Extremely loud sound can be ________________.

Bunyi yang sangat kuat boleh menjadi _________________.

a)

beneficial

bermanfaat

b)

harmful

memudaratkan

12.

The _______________ is used to hear sound.

_____________ digunakan untuk mendengar bunyi.

a)
b)
c)
13.

The class next door is making a lot of noise. What can we do to keep the noise out?

Kelas di sebelah membuat bunyi bising. Apa yang boleh kita lakukan untuk mengelakkan kebisingan?

a)

Build a thicker wall

Bina dinding yang tebal

b)

Scold the children

Memarahi budak-budak tersebut

c)

Hang curtains

Gantungkan langsir

14.

Which of the following function as sound absorber?

Antara berikut, yang manakah berfungsi sebagai penyerap bunyi?

a)
b)
c)
d)
15.

What can the man do to keep out the noise and protect his ears?

Apa yang boleh dilakukan lelaki itu untuk mengelak kebisingan dan melindungi telinganya?

a)

Use carpets

Guna permaidani

b)

Install curtains

Memasang langsir

c)

Wear earmuffs

Pakai penutup telinga

d)

Wear hand gloves

Pakai sarung tangan

16.

What is the long term effect of our ears are frequently exposed to extremely loud sounds

a)

our ears will be sensitive to changes in voices

b)

our eardrums will be damaged

c)

we will have problems in speaking

17.

Which of the following steps can reduce sound pollution?

a)

Installing a fence around the house

b)

using sponge as sound absorbing material

c)

placing loud speakers in open spaces

18.

which of the following is not an application of sound reflection?

a)

sonar

b)

Echo in fish

c)

Radar

19.

There are various uses of sounds in daily life such as ___________________

a)

an alarm clock

b)

a mirror

20.
The volume of sound is measured in…
a)
centimetres
b)
decibels
c)
kilograms
d)
miles
21.

Sounds gets louder…

a)

as we move further away from the source.

b)

as we move closer to the source.

c)

the less energy there is when creating the sound.

22.
The origin of the sound is called the…
a)
noise
b)
vibration
c)
frequency
d)
source
23.

A pupil blows through two different length straws. Which statement is true?

a)

The shorter straw will make a higher-pitched sound.

b)

The shorter straw will make a louder sound.

c)

The longer straw will make a higher-pitched sound.

d)

The longer straw will make a louder sound.

24.

Which of the following function as sound absorber?

Antara berikut, yang manakah berfungsi sebagai penyerap bunyi?

a)
b)
c)
d)
25.

What can the man do to keep out the noise and protect his ears?

Apa yang boleh dilakukan lelaki itu untuk mengelak kebisingan dan melindungi telinganya?

a)

Use carpets

Guna permaidani

b)

Install curtains

Memasang langsir

c)

Wear earmuffs

Pakai penutup telinga

d)

Wear hand gloves

Pakai sarung tangan

26.

The diagram shows an animal that applies the reflection of sound phenomenon. What is the reflection of sound phenomenon called?

a)

Sonar

b)

Echo

c)

Ultrasound

27.

State the vibration can be produced by the following activities.

a)

Knocking

b)

Plucking

c)

Bowing

28.

What is the advantages of sound in daily life?

a)

Loud noise can lead emotional distress

b)

To indicate an accident of emergency situation

c)

Very loud energy can cause hearing problems

29.

Wendy could hear the scream of a boy who fell down. Which of the following describes the situation above?

a)

Sound travels in straight line

b)

Sound travels in all directions.

c)

Sound travels when the temperature changes

30.

The depth of an ocean can be estimated using the principle of____________

a)

reflection of light

b)

absorption of sound

c)

reflection of sound