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ph. science ch. 16
phisical science chapter 16
| Question | Answer |
|---|---|
| sound | is a desterbance that traveled through a medium-waves begin with a vibration |
| vibration | desterbes the air particles-you can hear the desterbance |
| reflection | when a sound hits off a wall, it makes an echo |
| diffraction | sound waves dont travel in a strate line. the sound spreads out |
| interfrence | sound waves meet and interact with eachother |
| loudness | depends on two factors-1-the amount of energy 2-the pitch |
| pitch | is a description of how high or low a note is |
| ultra sound | sound waves with frequencies above the human range |
| infrasound-below what a human can hear | below what a human can hear |
| the doppler effect | the change in frequency of a wave of a wave as its source moves in the relation to an observer |
| acustics | the study of how sounds interact with eachother |
| ear canal | the canal which the wave traveles in |
| ear drum | the vibration hits this and sends a signal |
| middle ear | containes the two smallest bones in your body |
| hammer Anvil stirrup | giant chain link attacked to the inner ear middle |
| cochlea auditory prossesor | contained hair cells which makes you hear sents message to brain tells you what they said |
| hear loss | if you hear something to lowd this occurs |
| sonar | is the use of reflected soundwaves to detected of locate onjects underwater |
| echolocation | is the use of reflected stored waves to deter main distances or to locate objects |
| sonogram | the device uses the reflected ultrasound waves to create a picture |
Created by:
manu1
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