Sound and Noise

All objects around us make what sounds?

• Different

• Loud

• Chirping

• Tick Tock

Warning sounds are ____________ sounds.

Guitar makes what kind of sound?

• Pleasant

• Unpleasant

• Warning

• Loud

Chattering of _______.

Some sound hurt our _______ ear if we listen to them for a long time.

Effects of noise pollution.

• Dizzines

• Tiredness

• Loss of sleep

• All of these

Reducing noise pollution.

• Avoid loudspeaker

• Shout loudly in the mike

• Play guitar

Animals use special sounds to attract female .

• True

• False

Examples of warning sounds.

• Ambulance siren

• Clock's tick tock

• Guitar

• Police siren

Howling of _______.

• Wolves

• Dogs

• Birds

• Hyenas