Unit 8 the soundpdf

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Natural science. the sound

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Unit 8 the soundpdf

  1. 1. The sound
  2. 2. Sound is a form of energy This energy is called sound energy. Sound energy can produce changes in certain objects.
  3. 3. Characteristics of sound Every object emits a characteristics sound when it vibrates. 1º Intensity A sound´s intensity can be: soft whisper Loud
  4. 4. Characteristics of sound 2º Pitch A sound pitch is high if the sound is produced in a small area. A sound pitch is low if the sound is produced in a large area.
  5. 5. Characteristic of sound 3º Timbre It is the quality of the sound of a musical instrument or voice. flute saxophone We can play the same note but it sounds different.
  6. 6. Spreading sound The sound spreads until it reaches an object.
  7. 7. The characteristic of how sound spread. Sound travels in All directions Sound spread in a straight line. Sound travels 340 metres per second.
  8. 8. MUSICAL INSTRUMENT CLASSIFICATION String musical instruments They are musical instruments that produce sound by means of vibrating strings. Classical guitar Harp Viola banjo
  9. 9. A percussion instrument is any object which produces a sound when it is hit. MUSICAL INSTRUMENT CLASSIFICATION Percussion musical instruments
  10. 10. A wind instrument is a musical instrument that contains some type of resonator (usually a tube), in which a column of air is set into vibration by the player blowing into a mouthpiece set at the end of the resonator. MUSICAL INSTRUMENT CLASSIFICATION Wind musical instruments recorder clarinet bassoon Double bassoon

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