Matching Pairs Properties of soundsOnline version Match the examples of Column A with the correct word about properties of sounds in Column B. (Une los ejemplos de la Columna A con la palabra correcta sobre propiedades del sonido en la Columna B). by César Estiben Silva Dussán 1 2 3 DECIBELS 4 It is the unit we can measure sounds with. It produces so high sounds that we, humans, can not hear them. It is used to make sounds louder and to protect the hearing sense. Is an object that you can shake to produce vibrations and sounds.