Calvin Sound explanation.

For inquiry,  this term we are learning about sound.   It performs  in sound wavs. Thats  how it moves back a forward hitting the air molecules.

• Which pitch is faster?  Out of a high pitch or an low pitch if you're thinking high pitch or low pitch your wrong it is actually the same. They travel 360 metres per second  for anybody interested. The Pitch is determined by vibration frequency. A guitar string vibrating at 440 PER SECOND.
  
  

The outer ear channels sound waves into your inner ear which vibrates your eardrum  and sends a message to your brain. That your brain will say that know.

If the world had no sound we wouldn't be in school or we wouldn't have anything to do with learning or with cars . The world is with people talking but if we had no sound that’s mean’s the wont communicate each other or they will be  not good because  they want have a experience what the world will be like if they have sound.