11351800
Descrição
FlashCards por Claryss Ngai Ze Yan, atualizado more than 1 year ago
|
Criado por Claryss Ngai Ze Yan
mais de 6 anos atrás
|
|
| Questão | Responda |
| how do we hear | sound wave inside our ears vibrate |
| Can we hear in outer space? | no because there are no partical in space |
| what is echo? | a reflection of sound |
| what is the unit of sound? | decible |
| what is a pitch? | a sound can be high or low, is referred to as a pitch |
| what is sound produce by? | it is produce by vibration |
Quer criar seus próprios Flashcards gratuitos com GoConqr? Saiba mais.