Y1 Ch 8: Sound

Y1 Ch 8: Sound

by Fadhilah Ismail;

​Lesson objectives

Students should be able to:

• Know that we hear when sound enter our ears

• ​Identify sources of sound

• ​Describe sound using: loud, soft/faint, high and low

• ​Recognise that sound become fainter as it travels from a source

• ​Recognise that we use hearing to sense danger, communicate and to hear pleasant sound.

• ​Identify how musical instrument make sound.

​Sound sources

• ​Sound come from its sources

• ​There are many sources of sound.

• ​The sources of sound make sound by vibration

​<- Vibration of a drum skin as it make sound.

​Sound and sense of hearing

• ​We use the sense of hearing to hear sound.

• ​The sound enter our ears and our eardrum vibrates

• ​Then the ears send message to our brain.

• ​The brain thinks about the sound and recognise it

Multiple Choice

Sound come from its

• Sources

• problem

• Ear

• Brain

Multiple Choice

Sound is produced by

• Elimination

• Vibration

• Sleeping

• Walking

Multiple Choice

Which sense detect sound from the surroundings?

• Senses of sight

• Sense of taste

• Sense of hearing

• Sense of smell

Multiple Choice

Can you tell where this sound come from?

Multiple Choice

What did you hear?

Multiple Choice

What did you hear?

Multiple Choice

What did you hear?

Multiple Choice

What did you hear?

Multiple Choice

What did you hear?

Multiple Choice

What did you hear?

Multiple Choice

What did you hear?

​Describing sound

• ​Some sounds are loud like

​The sound of thunder

​The sound of a drill

​The sound of a car horn

​Loud sound can harm our ears. We use ear protector to protect our ears

​Describing sound

• ​Some sounds are soft like

A whisper

A clock ticking

A heartbeat

​Describing sound

• ​When we goes further from a sound source it will become fainter or softer

Listen to the sound or a race car going further away ->

Multiple Select

Which sounds are LOUD?

Multiple Select

Which sounds are SOFT?

Multiple Choice

What happen if we move further away from a source of sound?

• It becomes louder

• It becomes softer

• It does not change

• The sound becomes a different one

​Describing sound

• Some sound are high like

​The sound of a whistle

​The sound of a mouse

​The sound of glass breaking

​Describing sound

• Some sound are low like

​The sound of a cow

​The sound of drum being hit

​The sound of rumbling train

Multiple Select

Which of the following make HIGH sound?

Multiple Select

Which of the following make LOW sound?

​How is sound useful?

• ​For communication: talk

• ​For listening to pleasant sound : music

• ​For warning: Siren

Making sound in musical instruments

• We can make sound by blowing

Making sound in musical instruments

• We can make sound by plucking

Making sound in musical instruments

• We can make sound by hitting or shaking