Waves: lesson 1
Waves: lesson 2
Sound lesson 1 & 2
Sound: lesson 4
Misc.
100
The high point of a wave.
What is the crest
100
Describes how quickly a wave moves
What is speed
100
The unit that compares the loudness of different sounds.
What is decibel
100
A small and tightly stretched drum-like membrane
What is the ear drum
100
A set of notes that combine in patterns that are pleasing
What is music
200
An area that the coils of a longitudinal wave are spread out.
What is rarefaction
200
The unit that measures frequency
What is hertz
200
A disturbance that travels through the air as a longitudinal wave
What is sound
200
A narrow region that collects sound waves
What is the ear canal
200
When a wave hits a surface and bounces off the other direction
What is reflection
300
A longitudinal wave is mechanical. True or False
True
300
Thee difference between two parts of a wave.
What is wavelength
300
How much matter or mass there is in a given amount of space
What is density
300
The order of the bones in the middle ear is stirrup, hammer, anvil. True or False
False, it is hammer, anvil, stirrup
300
A system that uses reflected sound waves to detect and locate objects underwater
What is sonar
400
A repeated back-and-forth or up-and-down motion.
What is a vibration
400
The maximum distance the medium vibrates from a rest position.
What is amplitude
400
A description of how high or low the sound seems to a person
What is pitch
400
A liquid filled cavity shaped like a snail shell
What is the cochlea
400
Sounds above a normal humans hearing range
What is ultrasound
500
A disturbance involving the transfer of energy from place to place.
What is a wave
500
The number of waves that pass a given point at a certain amount of time
What is frequency
500
The amount of energy a sound wave carries per second through a unit area
What is intensity
500
A device that will let people that are hard of hearing hear
What is a cochlear implant
500
The use of reflected sound waves to locate objects or determine distances
What is echolocation
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