If a ringing bicycle bell is held tightly by hand, it stops producing sound. Why?

Cracker on ignition produces sound. Why?

Name the property of metal which produce ringing sounds .

Suggest a possible explanation as to why some flying insects produce buzzing sounds and some do not ?

Touch the bell when it stops producing sound. Can you feel the vibration? What do you understand by this?

Why should a gun be held tightly against the shoulder, while firing?

The metals that produce ringing sounds, are said to be:

We have learnt that vibration is necessary for producing sound. Explain why the sound produced by every vibrating body cannot be heard by us?