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?

Click on a link below to start doing the chapter.