| A | B |
| how do pitch and frequency relate? | the higher the frequency the higher the pitch |
| What is loudness related to and what is it measured in? | amplitude, decibels |
| when movement changes the pitch and frequency of a sound it is the _____. | doppler effect |
| how is sound made | by the vibrations in a wave |
| what are the frequencies humans can hear? | 20 to 20,000 hz |
| where does sound travel fastest, slowest? | fastest in solids, medium in liquids, and slow in gas |
| what vibrates first in the human ear? | ear drum |
| what bones are in the middle ear? | hammer, anvil, stirrup |
| what is pitch? | how high or low a sound is |
| what does the speed of sound determined by? | closeness of molecules in matter |
| ___ waves travel faster than ___ waves. | light, sound |
| _____ is another word for the volume of a sound. | loudness |