Section: Module 2: Waves | Eswatini Grade 9 Science | NJCTL

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Module 2: Waves

  • Module 2: Waves


    In this module, we will learn about waves. 


    Watch the videos and complete the check your understanding questions before moving on to the module assignments. Practice problems are not graded but should be completed to facilitate your learning. 



    1. Investigate and describe what is meant by wave motion as illustrated by vibrations in ropes, springs and water waves.

    2. Distinguish between transverse and longitudinal waves.

    3. Identify the wavelength and amplitude of a wave.

    4. Describe the frequency of a wave and state the unit of its measurement as Hertz.

    5. Investigate and describe the production of sound by vibrating sources.

    6. State that sound waves are longitudinal in nature.

    There are no required readings. 


    • Module 2 Topics

    • Module 2 Module Review

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