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- 1. Multiple Choice
Sound waves must travel through ___________________.
air
a medium
an outward area
a short
- 2. Multiple Choice
Sound waves can NOT travel through
Air
Water
Earth
space
- 3. Multiple Choice
Changing the frequency of a sound wave affects the...
Volume
Amplitude
Pitch
Resonance
- 4. Multiple Choice
Changing the amplitude of a sound wave affects the...
Volume
Frequency
Pitch
Wavelength
- 5. Multiple Choice
The pitch of a sound depends on its:
frequency
amplitude
intensity
loudness
- 6. Multiple Choice
The higher the frequency, the ____________ the wavelength.
longer
shorter
taller
bolder
- 7. Multiple Choice
Frequency is measured in:
decibels
Hertz
meters
seconds
- 8. Multiple ChoiceAs the frequency of a sound wave ___, the pitch becomes lower.increasesdecreasesdoes not changecancels out
- 9. Multiple ChoiceAs the amplitude of a sound increases, the loudnessincreasesdecreasesdoes not changecancels out
- 10. Multiple ChoiceWhy is sound able to travel faster through a solid than a gas?Gas molecules are packed tightly.Solid molecules move quickly.Solid molecules are packed tightly.Gas molecules move slowly.
- 11. Multiple Choice
A sound with a high pitch would have:a low frequencya high frequencya low amplitudea high amplitude - 12. Multiple ChoiceWhich of the following would have the highest amplitude?a dog barkingclapping your handsknocking on a doorthunder
- 13. Multiple ChoiceWhich sound wave has high frequency?sound wave 1sound wave 2sound wave 3sound wave 4
- 14. Multiple ChoiceThis is the unit used to measure the volume of a sound.DecibelMediumVibrationOscilloscope
- 15. Multiple ChoiceThis is what you get when sound waves are reflected, or bounce back, off of a hard surface.AmplitudePitchVolumeEcho
- 16. Multiple ChoiceWhy is the school library covered with carpet?So everyone can make a lot of noiseto help absorb sounds to keep it quietbecause it looks goodto help absorb sounds so it can stay noisy
- 17. Multiple Choice
What is the Doppler Effect?
A change in frequency due to the relative motion of a wave source and an observer
When a wave overlaps with another wave
When a wave bounces off of another object
When a wave bends due to traveling through a different medium
- 18. Multiple Choice
An ambulance is driving towards you as you stand on the sidewalk. What happens to the pitch of the siren as it comes towards you?
It increases
It decreases
- 19. Multiple Choice
Look at the picture. Who is experiencing a higher pitched sound?
Observer A
Observer B
There's no difference
- 20. Multiple Choice
Look at the picture. Who is experiencing a lower pitched sound?
Observer A
Observer B
There is no difference
- 21. Multiple Choice
How can resonance break an object?
forcing an object to vibrate at its natural frequency for a short time
forcing an object to vibrate at different frequencies for a short time
forcing an object to vibrate at different frequencies for a longtime
forcing an object to vibrate at its natural frequency for a long time
- 22. Multiple ChoiceA tuning fork starts to vibrate when a certain note is played on the piano, This is an example of _______.resonancerefractiondiffractionreflection
- Answer choicesTagsAnswer choicesTags