| Sound - General | ||
| #1 | Sound starts with some kind of ___________. | Disturbance |
| #2 | Once a disturbance is made, it creates ________ that travel through the air. | Vibration |
| #3 | Sound vibrations travel through the air as a __________ wave. | Longitudinal |
| #4 | Sound waves move (in the same or in a different) direction as the disturbance | In the same direction |
| #5 | Why does sound travel slower than light? | Because it requires a medium |
| Sound - Density and Temperature | ||
| #1 | Compared to light, sound travels _____________. | Slower |
| #2 | Sound travels ______ in liquids than in solids. | Slower |
| #3 | The denser the material the ________ sound travels | Faster |
| #4 | Sound travels ________ in colder temps | Slower |
| #5 | The warmer the temp the _______ sound travels | Faster |
| Sound - Properties | ||
| #1 | Intensity is _________ and Loudness is ___________ | Energy; Volume |
| #2 | Pitch is ____ or ____ and Frequency is how ________ a wave passes | High or Low; Often |
| #3 | Intensity and Loudness are friends with ___ while pitch and Frequency are friends with _____. | Amplitude; Wavelength |
| #4 | A wave with low energy and low volume has a ___________ amplitude | smaller, shorter |
| #5 | A wave with a high sound and fast wave has a ________ wavelength | short, small |
| Sound - Vocal Cords | ||
| #1 | Step 1 - Talking to make sound starts with air from your _______. | Lungs |
| #2 | Step 2 - Air is pushed up from your lungs and rushes past your _______. | Layrny, voice box, vocal cords |
| #3 | Step 3 - As air rushes past your vocal cords, your vocal cords _______. | Vibrate |
| #4 | These vibrations travel as ________ and ______ or as longitudinal waves. | Compressions; Rarefactions |
| #5 | Thicker vocal cords (like in males) make a _________ sound where as thinner vocal cords make a ________ sound. | Lower; Higher |
| Sound - The Ear | ||
| #1 | What are the three main sections of the ear? | Outer, Midle and Inner |
| #2 | The middle ear contains the ______, ________ and _______ which amplify sound. | Hammer, Anvil and Stirrup |
| #3 | The ________ has liquid and tiny hairs that move to pass sound to the auditory nerve | Cochlea |
| #4 | The outer ear ______ sound into the ear canal which sends those vibartions to the _______. | Funnels; Eardrum |
| #5 | The sound we hear is possible because of __________ | Vibrations |
| Final Question | |
| Name the parts of the EM Spectrum in order from highest frequency to lowerst frequency | Gamma, X-Ray, UV Ray, Visible Light, Infrared, Microwave, Radio |