Acoustics is a very general name, and Audiologywould be a name of a specific part of that field.
Technology ls another word for applied science.
acoustics
The likely word here is "acoustics" (the science of sound, or a location's sound properties).
eardeafening sound
Earth science.
In science, another word for state may be phase. For instance a state of matter is also called a phase of matter.
Sound
sound
Error
tools
Biology.
science experiment