Sound| Worksheet| Class 8

Worksheet for chapter: Sound is presented below. The worksheets are provided for practice and self evaluation of students of class 8. Solutions are provided at the end of the page.

(1) What are the maximum and minimum limits of human’s ear to hear?

(2)What are the differences between the loudness and pitch of the sound?

(3)What is sound?

(4) Show how can sound travel in water?

(5) An object oscillates 50 times in 10 seconds. Find the frequency of the object.

(6) Match the items in column A with the items column B

        Column A                                      Column B

(a) Frequency                                  hearing impairment

(b) 10,000Hz                                    inaudible sounds

(c) Sound cannot travel                 Hz

(d)10Hz                                            audible sound

(7) Select the given items under “Low frequency” and High frequency”.

Voice of woman, voice of guitar, voice of lion, voice of crackers, voice of cow and voice of iron sheet

(8) Which part of our body vibrates when we speak?

(9) How dolphins communicate under water?

(10) What are the differences between audible and inaudible sounds?

Helping Topics

Sound

NCERT Solutions Class 8

Worksheet Solutions Class 8

 

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