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Waves
Review for wave test
Question | Answer |
---|---|
Playing a guitar, dropping a brick in water, and playing drums all make | vibrations |
The part of the ear that sends signals to the brain is the | cochlea |
Earthquakes create ______________ waves | seismic |
All waves transmit | energy |
A light wave is both a | transverse and longitudinal wave |
The distance between 2 crests or 2 troughs is a | wavelength |
3 bones in the middle ear are: | hammer, stirrup, and anvil |
A substance through which sound travels is a | medium |
Number of waves produced in a given amount of time is the | frequency |
Needs a medium to travel through | mechanical wave |
The Doppler effect is: | The change in pitch (frequency) as a sound gets closer to you. |
A sound wave is a _______________________ wave | longitudinal |
The slower something vibrates the ___________ the pitch | lower |
An apple is red because | the apple reflects red light |
Sound travels fastest in | solids |
Decibels are used to measure | loudness |
What are 2 parts of the outer ear? | pinna and ear canal |
_______________ waves can pass through a vacuum | electromagnetic |
A tone with lower pitch also has lower | frequency |
Light is bent as it passes from the air into the water of a fish bowl. This is called | refraction |
Transverse waves have | crests and troughs |
Longitudinal waves have | compression and rarefactions |
The part on the electromagnetic spectrum that human eyes can see is called | visible light |
Different wavelengths are seen in different | colors |
Regions is a sound wave where particles are farthest apart are called | rarefactions |