Show:
Parts of a Wave
Wave Properties
Speed of Sound
The Ear
Sounds
100
______________ is the number of wavelengths that pass a point in a certain amount of time.
What is frequency?
100
The distance between the crest on one wave to the crest on the next wave is the wave’s _____.
What is wavelength?
100
Sound travels more quickly in a _______.
What is a solid?
100
Where do sound waves travel immediately after being captured by the outer part of the ear?
What is the ear canal?
100
This term refers to how high or low a sound seems to the person who hears it?
What is pitch?
200
The maximum distance that the particles of a medium move from the rest position is the _____.
What is amplitude?
200
You are creating a wave using a slinky spring. If you start shaking the spring more slowly, the wavelength of the resulting wave will _______.
What is increase or get longer?
200
Which of the following affects the speed of sound waves traveling through the air? A) how loud the sound is B) the air temperature C) how often the sound is repeated D) the amplitude of the waves
What is B) the air temperature?
200
When you speak, your words are transferred to a friend’s outer ear by _______ waves.
What are compressional waves?
200
The pitch of a sound that you hear depends on the sound wave’s _____.
What is frequency?
300
The more _______ a wave carries, the larger its amplitude.
What is energy?
300
The speed of a wave depends on the properties of the __________ it is moving through.
What is medium?
300
In which of the following medium does sound travel slowest? A) Air B) Glass C) Plastic D) Salt water
What is air?
300
The eardrum moves and is sensitive to which 2 properties of the sound vibrations that strike it?
What are frequency & amplitude?
300
_____ is the human perception of the force or amplitude that a wave carries.
What is loudness?
400
The greater the loudness of a sound, the higher the _____ of the wave.
What is amplitude?
400
Electromagnetic waves travel at the same speed through _____.
What is empty space?
400
What would happen to the speed of sound as it went from air into fresh water?
What is move faster or speed up?
400
Which part of your ear sends the message to your brain that you’ve heard a sound? A) the vibrating eardrum B) the outermost part of your ear C) the hairs that are attached to nerve cells D) the bones located in your middle ear
What is C) the hairs that are attached to nerve cells?
400
The __________ is the part of the ear that is the sound amplifier.
What is the middle ear?
500
Sound waves are ____________ waves that require a ___________.
What is compressional waves that requre a medium?
500
As frequency of a wave __________ the wavelenth decreases.
What is increases?
500
When sound waves cause the eardrum to vibrate, these vibrations are immediately passed on to the _____.
What is middle ear bones?
500
Through which medium do sound waves travel when they reach the inner ear?
What is liquid?
500
Which part of the ear acts as the sound collector?
What is outer ear?