18 Questions
Can sound travel through a vacuum?
No, it cannot
What is one way to demonstrate that sound can travel through liquids?
Shaking a bell in water
How can you hear sound through a long metal rod?
By scratching the rod with a metal object
What is the purpose of asking friends around you if they can hear the same sound?
To confirm if sound can travel through solids
What shape does the outer part of the ear resemble according to the text?
Funnel
What could be a possible explanation for how whales and dolphins communicate underwater?
They emit high-frequency sounds that travel through water
What is the unit used to express frequency?
Hertz
If an object oscillates 20 times in one second, what is its frequency?
20 Hz
Which property of a sound helps us differentiate between different sounds?
Amplitude
What can happen if a sharp object is inserted into the ear?
Reduced hearing
Which term describes the to and fro motion of an object?
Vibration
What is the symbol used to represent frequency?
$Hz$
Which medium(s) can sound travel through?
Solids, liquids, and gases
Which individual is likely to have the minimum frequency in their voice?
A woman
True or False: Sound cannot travel in a vacuum.
True
Which of the following statements is true about the audible range for human ears?
20 Hz to 20,000 Hz
What determines the loudness of sound?
Amplitude of vibration
What is the term used for unwanted sound?
Noise pollution
Test your knowledge on whether sound can travel through liquids by exploring an experiment with placing your ear on the water surface and listening for the sound of a bell. Discover how sound travels through liquids and its implications for communication underwater.
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