Wednesday, February 9, 2011

Field trip observations 5

Here is the line from a cup and string telephone, what happened to the sound when the line was pinched?
Posted by at

2 comments:

  1. bmsgrade4cFebruary 9, 2011 at 6:09 AM

    The sound stopped when Alek pinched the line.

    AVA

    ReplyDelete
  2. bmsgrade4cFebruary 13, 2011 at 11:01 AM

    I think that the sound stopped because the vibration was refracted by Alec's finger.

    ReplyDelete

Subscribe to: Post Comments (Atom)