Accelerated Sound Vocab

What is the unit used to compare the loudness of different sounds?

• Hertz (Hz)

• Decibel (dB)

• Amplitude

• Frequency

What is the term for the height of a wave?

• Frequency

• Pitch

• Amplitude

• Compression

What is the term for sound waves with frequencies above the normal human range of hearing?

• Infrasound

• Ultrasound

• Echo

• Diffraction

What is the term for the number of complete wavelengths that pass a point in a given time?

• Pitch

• Frequency

• Intensity

• Interference

What is the term for a wave in which the vibration of the medium is parallel to the direction the wave travels?

• Longitudinal wave

• Transverse wave

• Compression wave

• Diffraction wave

What occurs when an object causes a wave to change direction and bend around it?

• Interference

• Diffraction

• Echo

• Compression

What is the term for the combination of two or more waves that results in a single wave?

• Interference

• Diffraction

• Echo

• Compression

What is the term for a part in a longitudinal wave where the particles are spread apart?

• Compression

• Rarefaction

• Amplitude

• Pitch

Amount of energy in a wave; determined by the amplitude, relates to perceived loudness

• intensity of sound

• reverberation

• echo

• acoustics

How high or low a sound is

• amplitude

• pitch

• acoustics

• reverberation