Sound starts with some kind of ___________.
Once a disturbance is made, it creates ________ that travel through the air.
Sound vibrations travel through the air as a __________ wave.
Sound waves move (in the same or in a different) direction as the disturbance
Why does sound travel slower than light?
Compared to light, sound travels _____________.
Sound travels ______ in liquids than in solids.
The denser the material the ________ sound travels
Sound travels ________ in colder temps
The warmer the temp the _______ sound travels
Intensity is _________ and Loudness is ___________
Pitch is ____ or ____ and Frequency is how ________ a wave passes
Intensity and Loudness are friends with ___ while pitch and Frequency are friends with _____.
A wave with low energy and low volume has a ___________ amplitude
A wave with a high sound and fast wave has a ________ wavelength
Step 1 - Talking to make sound starts with air from your _______.
Step 2 - Air is pushed up from your lungs and rushes past your _______.
Step 3 - As air rushes past your vocal cords, your vocal cords _______.
These vibrations travel as ________ and ______ or as longitudinal waves.
Thicker vocal cords (like in males) make a _________ sound where as thinner vocal cords make a ________ sound.
What are the three main sections of the ear?
The middle ear contains the ______, ________ and _______ which amplify sound.
The ________ has liquid and tiny hairs that move to pass sound to the auditory nerve
The outer ear ______ sound into the ear canal which sends those vibartions to the _______.
The sound we hear is possible because of __________
Disturbance
Vibration
Longitudinal
In the same direction
Because it requires a medium
Slower
Slower
Faster
Slower
Faster
Energy; Volume
High or Low; Often
Amplitude; Wavelength
smaller, shorter
short, small
Lungs
Layrny, voice box, vocal cords
Vibrate
Compressions; Rarefactions
Lower; Higher
Outer, Midle and Inner
Hammer, Anvil and Stirrup
Cochlea
Funnels; Eardrum
Vibrations
