| A | B |
|---|
| matter | anything that has mass and takes u space |
| wave | repeating disturbance that transsfers energy through matter or space |
| medium | matter through which a wave travels |
| mechanical wave | sound waves, only travel through matter |
| transverse wave | particles in medium move back and forth at right angles |
| longitudinal wave | medium moves back & forth in same direction as wave |
| vibration | a back & forth movement |
| crest | high point of transverse wave |
| trough | low point of transverse wave |
