| A | B |
|---|
| pitch, intensity and timbre | various characteristics of sound |
| pitch | the highness or lowness of a sound, how we perceive the frequency of sound |
| frequency | number of times an object vibrates in a given amount of time, measured in hertz |
| ultrasonic | sounds and frequencies higher than 20,000 hz |
| intensity | measures the energy of a sound wave or the loudness of a sound |
| decibel | measure of the sound intensity |
| timbre | quality of a sound in general |
| volume | how loud or soft a sound is |
| absorbed | sound waves that are taken in by the surfaces of a furnished room |
| echo | repeated sound made when sound waves are bounced off a surface |
| sonar | device that sends out sound waves |
| ultrasonic | sounds or ultrasounds that have frequencies that are too high for human ear to hear |
