SENSING SOUNDS

The source of sound of a guitar is _________

• the skin

• the strings

• coloumn of air

Human's source of sound is

These objects can muffle the sounds:

• 
• 
• 
• 

Soft sounds are produces by . . . . vibration.

Bird chirp, whisper, hizz of snake are loud sound.

• TRUE

• FALSE

Sounds reflect on ________

• hard materials

• soft materials

• smooth materials

• weak materials

Wall brick can absorb / muffle the sounds.

• TRUE

• FALSE

Sounds can't travel in a vacuum.

• TRUE

• FALSE

These objects reflect the sounds:

• 
• 
• 
• 

Sound travels best through . . . .

• air

• vacuum

• solid

• liquid