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environmental
impact'
(Sound)
'Study of environmental
impact'
What is the sound?What is the sound?
The sound is a form of mechanical energy
produced by the vibration of an object.
The vibration makes the air around the
object vibrate too. These air vibrations
are called sound waves.
Types of waves.
There are waves that can take place
in the vacuum( electromagnetics
waves), but there are others that
need a material medium to take place
(mechanicals waves).
Qualities of sound

Intensity: Sound can be
loud or soft. It's
measures in decibels (Db)

Pitch: Sound can be high-
pitched or low-pitched.
It's measures in hertzs
(Hz)

Timbre: It depending on
the shape wave.
Decibels.
Decibels.Decibels.
Depending on his intensity(his
decibels) a sound can be
agreeable(beautiful) or harmful to
people. For example, in the box we can
see that: leaves moving in the
trees(20-45dB) doesn't distract but
a plane taking( 130-150dB) off is
painful.
What is noise pollution ?

Noise polluton is excessive,
undersirable sound levels that
disturb people's lives. International
scientific organization recommend
that the maximun level of ambient
noise should not exceed 65 dB.
The noise pollution is due to:
In this page you can hear a soundIn this page you can hear a sound
that isn't painful, it doesn'tthat isn't painful, it doesn't
distract.distract.
The sea.The sea.
Sounds
Sounds
In this page you can hear a soundIn this page you can hear a sound
that is painful. And we usuallythat is painful. And we usually
hear it.hear it.
The traffic.The traffic.
The noise depending on the country
For example: In France people
speaks lower
than people in Spain. In
Germany people travel in bike
instead of in car.
So this causes in Spain there is
more noise pollution that in
other countries as in Germany
or France.
Sonorous impact in the day:
In the morning there is no
very much noise but we can
listened the cars of the
people who is going to work.
In the afternoon there is
very noise.(Rush hour)
Because the people return
of working (or they go). In
the night there is very little
noise (In weekends there is
much for the holidays).
In the next page we can see aIn the next page we can see a
noise map of Málaga's centrenoise map of Málaga's centre
Maximum level-> Medium leve-> lMaximum level-> Medium leve-> l
Lower lever->Lower lever->
Sources:
- Natural Science Book.
- Music Book.
-Goolge images.
- http://www.google.es/imgres
- Natural science notebook.
- Banco de imágenes y sonidos del misnisterio de
educación.
Made by:
- Carmen .
- Cristina
- María .

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El estudio del impacto ambiental. carmen. maría y cristina (1)

  • 2. What is the sound?What is the sound? The sound is a form of mechanical energy produced by the vibration of an object. The vibration makes the air around the object vibrate too. These air vibrations are called sound waves.
  • 3. Types of waves. There are waves that can take place in the vacuum( electromagnetics waves), but there are others that need a material medium to take place (mechanicals waves).
  • 4. Qualities of sound  Intensity: Sound can be loud or soft. It's measures in decibels (Db)  Pitch: Sound can be high- pitched or low-pitched. It's measures in hertzs (Hz)  Timbre: It depending on the shape wave.
  • 6. Decibels.Decibels. Depending on his intensity(his decibels) a sound can be agreeable(beautiful) or harmful to people. For example, in the box we can see that: leaves moving in the trees(20-45dB) doesn't distract but a plane taking( 130-150dB) off is painful.
  • 7. What is noise pollution ?  Noise polluton is excessive, undersirable sound levels that disturb people's lives. International scientific organization recommend that the maximun level of ambient noise should not exceed 65 dB.
  • 8. The noise pollution is due to:
  • 9. In this page you can hear a soundIn this page you can hear a sound that isn't painful, it doesn'tthat isn't painful, it doesn't distract.distract. The sea.The sea. Sounds
  • 10. Sounds In this page you can hear a soundIn this page you can hear a sound that is painful. And we usuallythat is painful. And we usually hear it.hear it. The traffic.The traffic.
  • 11. The noise depending on the country For example: In France people speaks lower than people in Spain. In Germany people travel in bike instead of in car. So this causes in Spain there is more noise pollution that in other countries as in Germany or France.
  • 12. Sonorous impact in the day: In the morning there is no very much noise but we can listened the cars of the people who is going to work. In the afternoon there is very noise.(Rush hour) Because the people return of working (or they go). In the night there is very little noise (In weekends there is much for the holidays).
  • 13. In the next page we can see aIn the next page we can see a noise map of Málaga's centrenoise map of Málaga's centre
  • 14. Maximum level-> Medium leve-> lMaximum level-> Medium leve-> l Lower lever->Lower lever->
  • 15. Sources: - Natural Science Book. - Music Book. -Goolge images. - http://www.google.es/imgres - Natural science notebook. - Banco de imágenes y sonidos del misnisterio de educación.
  • 16. Made by: - Carmen . - Cristina - María .