| A | B |
|---|
| absorb | To soak up something, such as sound waves |
| acoustics | The science of sound control |
| amplify | To make louder |
| frequency | How fast something vibrates |
| echo | A sound that bounces back to your ears |
| liquid | Something that is wet, such as water |
| reflect | To throw back something, such as sound waves |
| object | A thing |
| motion | movement |
| soundproof | To keep sound from going in or out of a place |
| vibration | A back and forth movement |
| solid | something that is hard, such as metal or wood |
| sound waves | The way sound travels |
| surrounding | All around |
| pitch | How high or low a sound is |
