Chapter Test Vocabulary Flashcards
What is Loudness?
Loudness is the human perception of how much energy a sound wave carries.
What is a Compression?
A compression is the “large section” of a compressional wave.
What are Beats?
Beats are the difference in Hertz from two sound waves.
What is Diffraction?
Diffraction is the bending of a wave(s) around a barrier.
What are Natural Frequencies?
Natural Frequencies are the frequencies (in Hertz) that an object will vibrate at.
What is Reverberation.
Reverberation is the repetition of echoes of sound.
What is the Hammer?
The Hammer is a small bone in the ear that get vibrations from the Eardrum and passes them on to the Anvil.
What are Brass and Woodwind Instruments?
Brass and Woodwind Instruments are a type of instrument that vibrates when air passes through different chambers.
What is Pitch?
Pitch is how high or low a sound wave is.
What is a Rarefaction?
Rarefaction is the “smaller section of a compressional wave.
What is Sound Speed?
Sound Speed is how fast a sound wave will travel.
What is a Reflection?
A Reflection is when a wave strikes an object or surface and bounces off.
What are Overtones?
Overtones are multiples of the object’s Fundamental Frequency.
What is the Eardrum?
The Eardrum is a small piece of membrane stretched across the ear canal, and looks like a small drum. This piece of membrane vibrates back and forth, and then passes on the vibrations to the Hammer.
What is the Anvil?
The Anvil is a small bone connecting the Hammer and the Stirrup together. This bone collects vibrations from the Hammer, and then passes them onto the Stirrup.
