MEDIUM
8th CBSE
IMPORTANT
Earn 100

Complete the mind map given below.
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Important Questions on Sound

MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 13 - Sound>Think About It>Q 1
Name the different categories of musical instruments along with the examples of each category.
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 13 - Sound>Quick Check?>Q a)
Sound is a form of _____.
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 13 - Sound>Quick Check?>Q c)
In humans, sound is produced by the _____ (Larynx/Lungs).
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 13 - Sound>Quick Check?>Q d)
We can hear sound through table or wood because it can travel through _____ (vacuum/solids).
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 13 - Sound>Quick Check?>Q e)
Sound cannot propagate through _____.
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 13 - Sound>Quick Check?>Q a)
The outer ear is like a stretched membrane that vibrates on receiving sound.
MEDIUM
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 13 - Sound>Quick Check?>Q b)
 Sound propagates in the form of waves. 
EASY
8th CBSE
IMPORTANT
Galaxy A Course in Science Book 8>Chapter 13 - Sound>Quick Check?>Q c)
Amplitude is the smallest distance moved by vibrating particles on either side of the mean position.