Which of the following theories best describes the way that sound is sent out from a loudspeaker to effect a human eardrum?
B) - Air particles, vibrate when they come into contact with the loudspeaker. These air particles move out carrying the sound from the loudspeaker to the ear.
Cross- tabulation of results of this and the previous two questions have shown that students do not have a consistent model of how sound travels. They appear to have a number of alternative explanations that depend on circumstance.
