As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's
concussion.
amplitude.
reflection.
frequency.
2. Multiple Choice
1 minute
1 pt
Which statement about sound waves is true?
Air travels with them
They travel through a vacuum
They exist only if heard
They can be reflected.
3. Multiple Choice
1 minute
1 pt
If the distance represented by the letter A were increased, how would it change the way the sound was heard?
The sound would be higher.
The sound would be lower.
The sound would be softer.
The sound would be louder.
4. Multiple Choice
1 minute
1 pt
When comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?
Wave A and B have the same amplitude, but wave B (black) has a lower pitch.
Wave A and B have the same amplitude, but Wave A has a lower pitch.
Wave A and B have the same pitch, but Wave A is a softer sound.
Wave A and B have the same pitch, but Wave B is a softer sound.
5. Multiple Choice
1 minute
12 pts
What does pitch depend on?
amplitude
frequency
intensity
volume of sound
6. Multiple Choice
30 seconds
12 pts
A wave with a large wavelength will have a ______ frequency and _____ energy
high, low
high, high
low, high
low, low
7. Multiple Choice
10 seconds
1 pt
When a sound is louder what measurement gets bigger?
Frequency
Amplitude
Wavelength
Crest
8. Multiple Choice
30 seconds
1 pt
A wave that requires a medium through which to travel
mechanical wave
chemical wave
electromagnetic wave
pitch
9. Multiple Choice
20 seconds
1 pt
Highest point of a wave
crest
trough
wavelength
frequency
10. Multiple Choice
30 seconds
1 pt
The number of wavelengths that pass a point each second
crest
amplitude
frequency
pitch
11. Multiple Choice
1 minute
12 pts
The shorter the wavelength the
shorter the frequency
higher the freuqnecy
frequency stays the same
less energy
12. Multiple Choice
30 seconds
12 pts
Sound is produced by
music
vibrations of molecules
Electromagnetic Waves
Transverse Waves
13. Multiple Choice
30 seconds
1 pt
If distance C on the diagram increased, what would happen to the pitch?
The pitch would be louder.
The pitch would be softer.
The pitch would be higher.
The pitch would be lower.
14. Multiple Choice
30 seconds
1 pt
Which feature of sound is determined by amplitude?
Pitch
Smoothness
Loudness
A Wave
15. Multiple Choice
45 seconds
1 pt
What is a pitch?
highness or lowness of a sound
the intensity of a vibration
the amplitude of the sound wave
volume of sound
16. Multiple Choice
30 seconds
1 pt
A disturbance that transfers energy from one place to another without transferring matter.
wave
trough
pitch
sound
17. Multiple Choice
20 seconds
1 pt
Material (matter) through which a wave travels
medium
Doppler Effect
sound
pitch
18. Multiple Choice
45 seconds
1 pt
Sound is a form of _________________ that travels as waves through a ________________.