Question

True or false as the teacher talks, students hear the voice because particles of air move from the mouth of the teacher to the ear of the student.

Answer 1

false its not particals of air it is some kind of wave. i forget the name of the waves that allow us to hear but it is not particals of air.

Answer 2

False

Step-by-step explanation:

In air, sound propagates in the form of longitudinal waves, that is, the direction of the oscillation coincides with that of the wave's propagation.

An oscillating body sets the air molecules around it in motion. These, in turn, transmit that movement to neighboring molecules, and so on. Each air molecule oscillates around its resting point. That is, the displacement that each molecule undergoes is small. But the movement spreads through the medium.

Between the sound source (the teacher) and the receiver (the student) there is an energy transmission but not a transfer of matter.