Podcast
Questions and Answers
Can sound travel through a vacuum?
Can sound travel through a vacuum?
- Only in certain conditions
- Yes, it can
- No, it cannot (correct)
- Depends on the type of sound
What is one way to demonstrate that sound can travel through liquids?
What is one way to demonstrate that sound can travel through liquids?
- Listening to music with earphones
- Shaking a bell in water (correct)
- Placing your ear on a wooden table
- Blowing air bubbles in oil
How can you hear sound through a long metal rod?
How can you hear sound through a long metal rod?
- By hitting the rod against a hard surface
- By scratching the rod with a metal object (correct)
- By heating one end of the rod
- By shouting loudly into the rod
What is the purpose of asking friends around you if they can hear the same sound?
What is the purpose of asking friends around you if they can hear the same sound?
What shape does the outer part of the ear resemble according to the text?
What shape does the outer part of the ear resemble according to the text?
What could be a possible explanation for how whales and dolphins communicate underwater?
What could be a possible explanation for how whales and dolphins communicate underwater?
What is the unit used to express frequency?
What is the unit used to express frequency?
If an object oscillates 20 times in one second, what is its frequency?
If an object oscillates 20 times in one second, what is its frequency?
Which property of a sound helps us differentiate between different sounds?
Which property of a sound helps us differentiate between different sounds?
What can happen if a sharp object is inserted into the ear?
What can happen if a sharp object is inserted into the ear?
Which term describes the to and fro motion of an object?
Which term describes the to and fro motion of an object?
What is the symbol used to represent frequency?
What is the symbol used to represent frequency?
Which medium(s) can sound travel through?
Which medium(s) can sound travel through?
Which individual is likely to have the minimum frequency in their voice?
Which individual is likely to have the minimum frequency in their voice?
True or False: Sound cannot travel in a vacuum.
True or False: Sound cannot travel in a vacuum.
Which of the following statements is true about the audible range for human ears?
Which of the following statements is true about the audible range for human ears?
What determines the loudness of sound?
What determines the loudness of sound?
What is the term used for unwanted sound?
What is the term used for unwanted sound?
