1M Sound review homework

How sound travel

• Step 4: The boy hears the message.

• 
• Step 1: The girl is
  a source of sound.

• 
• Step 2: The sound travels in the air.

• 
• Step 3: The sound reaches the boy’s ears

• 

We use our sense of smell / hearing to hear sounds.

• hearing

• smell

Loud / Quiet sounds can hurt our ears.

• quiet

• loud

How do we hear sound

a

b

c

3

2

1

4

Match the correct words

Groups:

(a) Loud

,

(b) Quiet

• Pillow

• Book

• Fireworks

• Lion

• crying baby

• Car

• snake