click below
click below
Normal Size Small Size show me how
Elem Chem/Phys 9
| Question | Answer |
|---|---|
| Sound | A vibration. |
| Sound Wave | A moving vibration when you talk. |
| Echo | A Sound you hear twice. |
| To Conduct | Means to lead something from one place to another. |
| Mach 1 | We would say sound travels about 760 miles per hour this is called Mach 1. |
| Supersonic speed | When something travels faster than 760 miles an hour it is called super sonic speed. |
| Infrasound | When a sound is to low for our ears to hear |
| Ultrasound | When a sound to high for us to hear |
| Pitch | How we describe the sound we are hearing. |
| Timbre | We call the quality of sound timbre. |
| Amplitude | The height of a sound wave. |