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  • Grade 8
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  • Sound

Sound

Curriculum

  • 1 Section
  • 18 Lessons
  • 96 Weeks
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  • Sound
    18
    • 2.1
      sound (introduction)
    • 2.2
      objectives
    • 2.3
      objectives
    • 2.4
      sound is produced by vibrating body
    • 2.5
      how is sound produced by human beings
    • 2.6
      sound travels
    • 2.7
      sound travels
    • 2.8
      we hear sound through our ears
    • 2.9
      amplitude , time period and frequency
    • 2.10
      frequency of sound
    • 2.11
      frequency of sound
    • 2.12
      pitch
    • 2.13
      audible sounds
    • 2.14
      music and noise
    • 2.15
      noise pollution and its control
    • 2.16
      summary
    • 2.17
      summary
    • 2.18
      summary
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