Sound Waves – Worksheet


Worksheet to accompany the lesson Sound Waves.

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sound waves worksheet


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Worksheet Contents

  • This worksheet covers:
  • Definition of a sound wave
  • Generation of sound waves
  • Compressions and rarefactions
  • Graphical representations of sound waves
  • Frequency, wavelength and speed of sound
  • Pitch and loudness
  • The decibel scale
  • Human perception of sound
  • Transmission, reflection and absorption of sound waves
  • Includes:
  • Unit outline.
  • Cloze activity (fill in the blanks).
  • Short-answer questions.
  • Extension questions.
  • Topics for further research.
  • Teacher version containing complete answers.
  • Aligned to the Australian Year 9 Science curriculum.
  • 11 pages.

Learning Outcomes

  • By the end of this worksheet students will be able to:
  • ☑   Define what sound waves are and explain how they are generated.
  • ☑   Describe compressions and rarefactions.
  • ☑   Draw and interpret graphical representations of sound waves.
  • ☑   Describe the relationship between frequency and pitch, and between amplitude and loudness.
  • ☑   State the frequency range of human hearing and define ‘infrasound’ and ‘ultrasound’.
  • ☑   Compare sounds with different intensities and decibel levels.
  • ☑   Perform calculations involving the frequency, wavelength and velocity of a sound wave.
  • ☑   Perform calculations involving distance, time and velocity of a sound wave.
  • ☑   Describe the behaviour of sound waves when they encounter different types of boundaries.


This resource is also included in the Year 9 Physics PDF Workbook.


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