WorksheetsSound: how much do I know?
Total questions: 10
Worksheet time: 8mins
Which image best describes how sound travels in the air?
Select ALL correct statements:
Sound travels faster in air than in water
Sound travels faster in water than in air
Sound travels in solids
Sound travels in vacuum
What single statement is correct?
Sound is caused by fluctuations of particles in a medium
Sound in caused by noise
Sound is caused by vibrations
Sound is caused by the change in temperature
Which type of wave is produced by sound?
Transverse wave
Longitudinal wave
Just like light waves, sound waves also have: (answer all options that apply)
Frequency
Wavelength
Speed
Magnetic field
The tuning fork is producing vibrations in the air. The wavelength of the sound is:
The length of the compression region
The length of the rarefaction region
The distance between two successive compressions
The distance between two successive rarefractions
What is the frequency range that humans can hear?
From 5 to 12 000 Hz
From 50 to 45 000 Hz
From 45 to 65 000 Hz
From 20 to 20 000 Hz
Frequencies below 20 Hz and above 20 kHz are called infra- and ultra-sound respectively.
So, dolphins and elephants can hear ultrasound
So, humans and cats can hear ultrasound
So, dogs and bats can hear ultrasound
So, mice and elephants can hear ultrasound
A specific terminology is used for sound. Frequency is strictly connected to Pitch. Select all instruments that produce high pitch sound.
A specific terminology is used for sound. Amplitude is strictly connected to loudness. Select all correct statements.
The sound is perceived as softer if the amplitude increases
The sound is perceived as softer if the amplitude decreases
The sound is perceived as louder if the amplitude increases
The sound is perceived as louder if the amplitude decreases
