| A | B |
|---|
| migration | movement |
| band | small group of people who work together |
| nomad | a person that has no settled home |
| archaelogist | scientists who study cultures of people of long ago |
| technology | use of scientific knowledge or tools to make or do something |
| extinct | to die out |
| agriculture | farming |
| maize | corn |
| religion | beliefs about God or gods |
| surplus | more than was needed |
| onomatopoeia | word that says its name |
| vibration | to move back and forth very fast |
| volume | amount of sound |
| pitch | highness or lowness of a tone or sound |
| wave length | distance between waves |
| waves | how sound travels |
| matter | what things are made of |
| solid | not a liquid or gas |
| air | invisable mixture of gases that surround us |
| tuning fork | two pronged steel instrument |
