Fill in the blanks:
i. The voice box is located in our ……………… .
ii. Sound travels in the form of ……………… through air, water and ……………. .
iii. The sound is propagated more clearly through a ……………… than through air.
iv. Transmission of sound occurs at a different ……………… through different mediums.
v. Continuous noise which may have ill effects, is called noise ……………… .
vi. Some of the sounds that we enjoy can be a ……………… for others.
vii. The vibration of an object is necessary for the ……………… of sound.
