Chapter 13 Class 8 - Sound

Get NCERT Solutions, Extra Questions, Worksheets, and Notes of Chapter 13 Class 8 Sound. Teachoo also provides solutions of all Maths and Science  NCERT Questions with explanation of Concepts.

 

In this chapter, we will study

  • What is Sound?

  • How is sound produced?

  • Different Musical Instruments and how sound is produced in them

  • What is Medium of Sound? In which medium does sound travel?

  • Amplitude, Frequency and Time Period of Sound

  • Difference between Frequency and Amplitude

  • How is sound produced by Humans

  • How do we hear sounds?

  • What do you mean by Noise and Music? 

  • What is the difference between Noise and Music

  • What is Noise Pollution?

  • What are the causes and effects of Noise Pollution

  • How to reduce Noise Pollution?

  • What is Hearing Impairment?

  • What are Audible and Inaudible Sounds

  • What are Ultrasonic Sounds?

  • What are the different methods of producing sound?

  • When we hear a sound, does any part of our body vibrate? Name the part.

     

  • Does any part of the body vibrate when we speak? Name the part.

  • Why is the voice of men, women and children different?

  • In which medium sound travels more faster - Water, Glass, Air, Vacuum. Why?

 

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