Sunday, February 11, 2007

WORKSHEET 9.5

TABLE:

SOFT = baby sleeping

MODERATELY SOFT= rustling of leaves , people whispering

COMFORTABLE VOLUME= telephone ringing, falling water from a man-made fountain

LOUD = loud music from a stereo,traffic along a busy road

VERY LOUD= drilling noise from a construction site, a fighter jet flying past.


b (i) which ...are noises.

-traffic along a busy road,
-loud music from stereo,
-drilling noise from a construction site,
-a fighter jet flying past,

(ii) why...noise?

They are unwanted sounds which can annoy and affect our quality of life.


(c) state.....human body.

! it can damage our hearing or cause the loss of hearing.
! it can increase our heart rate,anxiety and stress levels which may lead to high blood pressure.
! people are unable to concentrate on their work or study,resulting in poor performance at work or in school.

2a) use ear phones when listening to music : yes : unpleasant noises are kept out when we listen to music.

close the doors and windows : yes : closing doors and windows can keep out noise from outside because they act as sound barriers;noise is further reduced if the doors are covered by sound-proofing materials or it the window panes are thick.

increase the volume of the radio or television: no:the environment becomes noisier.We affect others negatively too by creating more noise.


b) describe.....busy roads
! tall wooden fences are constructed along the sides of busy roads.
! trees and shrubs are planted along the sides of busy roads.

LALALALAS(: 7:21 PM