Q8 of 16 Page 79

Can parrots speak? Discuss with your friends and collect information.

Yes, of course!


Everyone must have a direct or indirect experience with talking parrots. In indirect ways we have seen talking parrots in some movies. Parrots are special bird species which can learn and mimic human speech.


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6

Robert observed a musical instrument producing sound. But he didn’t find any vibration of any part of that instrument. This observation raised many questions in his mind. Can you guess what are the questions raised in his mind? Write them.

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“Vibrations in a body produce sounds”. How do you prove it?

 9

Collect the photographs of local musicians and exhibit them in your class.

 10

Collect photographs showing various situations of sound pollution and prepare a scrap book.