P3 Unit 19 Sound

P3 Unit 19 Sound

How are sounds produced ?

How sounds produced ?

Sounds produced by objects that vibrate

• When an object vibrates, it makes the air around it vibrate, this vibrations produce sounds

• We hear sounds when the vibrations reach out ears

• What is Sound? | The Dr. Binocs Show | Learn Videos For Kids - YouTube

Multiple Choice

Sounds are produced by objects that .............. such as music instrument or objects around us

• moves

• goes

• vibrates

Uses of Sound

Sounds can be used in many ways

We use sounds to:

• Warn people of danger

• communicate with one another

• entertain people

Multiple Choice

Based on this picture ambulance sirene is one of the function of sound to ......

• warm people from danger

• communicate with one another

• entertain people

Multiple Select

Listen to someone plays music instrument is the uses of sounds to .......... people, but we use sounds to ........................... when we speak to our friends

• entertain, speak

• entertain, warm

• entertain,communicate

• communicate, warm

Ways to produce sounds

There are many ways to produce sounds, we can use musical instrument as well as other object around us to produce sounds

• For example:

• hit a box

• pluck the strings of a guitar

• blow air into a whistle

• shake a bag of photo chips

Multiple Choice

We can hear sounds from music instrument or other objects around us when they produce sounds, except...

• hits a box

• shake a bag of potato chips

• play piano

• see someone

Different object different sounds

Check this video?

Different types of sounds

• Sounds can be :

• Loud

• Soft

• High Pitched

• Low Pitched

• High and Low - Animal sounds - YouTube

Find the different

Watch this video and compare each sounds?

Loud and Soft Sounds - YouTube

Multiple Select

Based on the option, which one is has high pitched sound?

• human heartbeat

• drum sound

• bird's chirping

• violin sound

Multiple Choice

the sound of a person's whisper is ............... sound, but the sound from a plane taking off is a ...... sound

• loud, soft

• soft, loud

• high ,low

• low, high