Thursday, October 22, 2009

sound by kiana and grace

we are lerning about sound
-sound gets quiter the ferther you move away from the source. (stero)
-sound waves get louder as it travels away from the source
-the longer the string,the lower pitch.
-a high frequecys a higher pitch.
-sound travels faster through a vacum.

1 comment:

  1. It is great learning about sound

    ReplyDelete