Q8.1 Sound - How is sound transmitted by a speaker:

CONCEPTS: Sound, vibration, sound waves, pitch,& volume.

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.

Source: Q6,7 & 8: http://baldufa.upc.edu/recerca/articles/a42/eaeeie_2009_misconceptions_sound_waves.pdf

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.

Source: Q6,7 & 8: http://baldufa.upc.edu/recerca/articles/a42/eaeeie_2009_misconceptions_sound_waves.pdf