| A | B |
|---|
| how an object looks, feels, sounds, tastes, and smells | properties |
| code | signals used to represent letters or numbers |
| pitch | a word that describes how high or low a sound is |
| frequency | how fast or slow something is vibrating |
| xylophone | musical instrument made from a set of bars or tubes of different lengths |
| tension | force pulling on an object in opposite directions |
| amplify | to make louder |
| outer ear | part of the ear made of flesh and cartilage that collects and directs sounds |
| the loudness of a sound | volume |
