Physics Of Sound Post-test Kettl
Sound is a wonderful thing, a sense we often take for granted without taking a closer look at the science behind such a wonderful concept. What do you know about sound and how it works? Let’s find out.
- 1.Being able to tell different sounds apart is called
- A.
Sound amplification
- B.
Sound discrimination
- C.
Vibration
- D.
Frequency
- 2.When you make sounds by plucking a rubber band, you make the rubber band move back and forth very quickly. This movement is called
- A.
Loudness
- B.
Amplitude
- C.
Pitch
- D.
Vibration
- 3.THe highness or lowness of a sound is the
- A.
Pitch
- B.
Loudness
- C.
Vibration
- D.
Resonance
- 4.If you tighten a string and keep plucking it with your finger as you pull, what happens to the pitch?
- A.
As you tighten the string, the pitch gets lower
- B.
The pitch stays the same
- C.
As you tighten the string, the pitch gets higher
- D.
You can't tell unless you try it
- 5.The loudness of a sound is called
- A.
The sound wave
- B.
The volume
- C.
The amplitude
- D.
The pitch
- 6.A student holds two vibrating objects. Object A is vibrating faster than object B. Which statement is true?
- A.
A is louder than B
- B.
B is louder than A
- C.
A will have a higher pitch than B
- D.
B will have a higher pitch than A
- 7.The same sound will seem louder if it travels through which of the following?
- A.
Solid objects
- B.
Liquids
- C.
Air
- D.
Solids, liquids and gases will sound the same
- 8.If you roll a large sheet of paper into a funnel, you can hear the sound better. This process of increasing the loudness of a sound is called
- A.
Measuring a wave
- B.
Absorption
- C.
Reflection
- D.
Amplification
- 9.Which of the following would produce the hightest pitch?
- A.
Phone
- B.
Whistle
- C.
Truck horn
- D.
Dog's growl
- 10.Which of the following would produce the loudest sound?
- A.
Jet plane
- B.
Pin falling
- C.
Doorbell
- D.
Whisper
- 11.A unit for measuring the loudness of sounds is
- A.
Vibration
- B.
Decibel
- C.
Frequency
- D.
Pitch
- 12.A process for locating distant or invisible objects by using sound waves that are reflected back to the sender
- A.
Vibration
- B.
Receiver
- C.
Echolocation
- D.
Source
- 13.The speed at which something vibrates is called
- A.
Pitch
- B.
Amplitude
- C.
Resonance
- D.
Frequency
- 14.Something that detects sound is a
- A.
Sound wave
- B.
Volume
- C.
Amplitude
- D.
Sound receiver
- 15.An object or material that vibrates in a way that makes sound is called the
- A.
Sound source
- B.
Receiver
- C.
Sound wave
- D.
Pitch
Questions: 20 | Attempts: 13566 | Last updated: Oct 7, 2021
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