By: EVAN BARNETT AND ANDREW GRIER
Sound comes from vibrations. These vibrations create sound waves which move through mediums such as air & water before reaching our ears. Our ears vibrate in a similar way to the original source of the vibration, allowing us to hear many different sounds.
This is a example of what a medium sized vibration.
this is a example of a small sized vibration.
THIS IS A EXAMPLE OF A HUGE SIZED VIBRATION!!
ANIMALS vs. HUMANS
Humans can't hear all sounds?
Dogs can hear a higher frequency than humans, allowing them to hear noises we can't. Sound is used by many animals to detect danger, warning them of possible attacks before they happen!? I wander what cases they use the loudest sounds.
SPEED IS KEY
The speed of sound is about 767 miles per hour (1230 kilometers per hour) Sound can`t travel through a vacuum (an area empty of matter)