Vocabulary
Wave Characteristics
Picture ID
Misc.
The Ear
100
A quick back and forth movement. This is how particles move when energy is transferred to them.
What is vibration?
100
This type of sound has a high frequency.
What is a high pitch sound?
100
Points B & F represent which part of a wave?
What is the peak?
100
Frequency is measured in Hertz. What is the abbreviation for Hertz?
What is Hz?
100
This part of the ear is made up of thinly stretched skin that helps sense vibrations.
What is the ear drum?
200
The number of waves that happen during one second.
What is frequency?
200
Point D represents which part of a wave?
What is the valley?
200
If you wanted to decrease the volume of a sound, you would need to decrease which wave characteristic?
What is amplitude?
200
Where is the smallest bone in your body found?
A. Outer ear
B. Middle Ear
C. Inner Ear
50 Bonus Points : What is the name of this bone?
B. Middle Ear
Stapes/stirrup
300
The distance from the starting position of a wave to a peak or valley.
What is amplitude?
300
Points A, C, E and G represent which part of a wave?
What is starting position?
300
What are the 3 mediums sounds can travel through?
Solid, liquid, gas
300
This part of the ear brings vibrations from the outside world into your ear. Ear wax is also produced here.
What is the ear canal?
400
When a group of particles is close together, they are more ____________.
What is dense?
400
Which two points represent how to measure amplitude?
Answers vary.
400
This is created when a sound wave reflects off an object.
50 Bonus Points: What do bats and dolphins use to find objects?
What is an echo?
Echolocation
400
This is a part of the inner ear that senses vibrations and creates a signal to send to the brain.
What are hair cells?
500
Which graph has both a high pitch and a high volume sound?
In your claim, be sure to include the words pitch, volume, frequency and amplitude.
Graph D has both a high pitch and a high volume because it has a high frequency and a high amplitude.
500
https://www.youtube.com/watch?v=pSWFBQBfmTI
Describe the amplitude and frequency of this sound.
What is high amplitude and low frequency?
500
Which two points represent how to measure frequency?
Answers vary.
500
Does sound travel faster through air or water? Why?
Sound travels faster through water because the particles are closer together.
500
Why does a louder sound do more damage to your ears than a quieter sound?
Because there is more force/energy being applied to your ears