P1 -Sound 3

P67, Thunder is a loud sound that follows the appearance of _ _ _ _ _ _ _ _ _. (9)

P67, Why thunder produce a loud sound?

P67, when lightning strikes, it _ _ _ _s up the surrounding air and makes it vibrate and expand.

Mention different examples of sound that you can hear in your room right now!

[Most +1]

[DT] What is the name of that item?

How do you make a sound with that whistle?

[Fast +1]

To get the sound from the whistle we can _ _ _ _ it.

[SV]If we blow a whistle it will produce a __________ sound.

• loud

• soft

• beautiful

• musical

What is the use of this whistle?

[Last +1]

The uses of whistle are:

• for signaling

• to train dogs

• to train cats

• alert us

• to wake up somebody