Sound 1
The areas where particles bunch together.
compression.
How high or low a sound is referred to as..
pitch.
Waves come in two kinds, these include..
longitudinal and transverse.
What happens to the sound wave when the amplitude increases?
The sound becomes louder
A larger instrument/object has a ____ pitch
(high or low)
lower
What is sound?
Energy in the form of vibrations that passes through matter
If two sound waves have the same frequency but different amplitudes, what is different about the sounds?
A. Their pitch
B. Their loudness
C. Their speed
D. Their direction
Their loudness
the number of waves that passes a point in a certain amount of time is called...
frequency.
The highest point on a sound wave.
What is crest.
A smaller object has a _______ pitch
(high or low)
higher
What can sound not travel through?
a vacuum
What happens to the speed of sound when it moves from air to water?
It slows down
How does sound travel differently in solids compared to gases?
Sound travels faster in solids because particles are closer together
What type of medium does sound travel fastest through?
A. Air
B. Water
C. Steel
D. Vacuum
Steel
When waves closer together the pitch is _______
higher.
What is frequency measured in
Hertz (Hz)
the distance between a point on a wave and another point on another wave
What is wavelegnth.
The taller the wave the _________ the volume
louder
What type of wave is a sound wave?
Longitudinal wave
When waves are further apart, the pitch is ________
lower
Which part of a sound wave is responsible for its loudness?
amplitude.
Which of the following correctly describes a longitudinal wave?
A. The particles move perpendicular to the direction of the wave
B. The particles move parallel to the direction of the wave
C. The wave moves in a circular motion
D. The particles do not move
The particles move parallel to the direction of the wave
What is the term for the lowest point in a sound wave, where the pressure is at its minimum?
A) Amplitude
B) Crest
C) Wavelength
D) Trough
trough
If a person speaks louder, what happens to the sound wave?
A. The amplitude increases
B. The frequency increases
C. The wavelength decreases
D. The speed increases
The amplitude increases
Lower pitch is caused by
What is slower vibrations and frequencies