| A | B |
| vibration is when something.... | moves back and forth quickly. |
| vibrations make... | sound |
| When you tighten a string... | the sound gets higher. |
| pitch means the..... | high or low of a sound |
| volume means the.... | loud or soft of a sound |
shorter xylophone tubes will sound...,  | higher in pitch |
| longer xylphone tubes will sound... | lower in pitch |
| What does the outside part of your ear do? | It collects the sound. |
| Sound can travel through | water, air, and solid things. |
| Pop bottles filled almost full of water will have a | low pitch |
| things that vibrate really fast have a ... | high pitch |
| Things that vibrate slowly have a ... | low pitch |
| larger instruments will make... | lower sounds |
| smaller instruments will make... | higher sounds |
| Sound waves travel | in all directions |