SOUND WAVES

TOPIC
Sound Waves

LESSON DURATION
2 periods

PREVIOUS KNOWLEDGE
Wave parameters, graphs, wave properties etc.

BEHAVIORAL OBJECTIVES

 * 1) Students would be able to describe how sound is propagated through a medium.
 * 2) Students would be able to describe what is pitch, Loudness and quality.
 * 3) Students would be able to use the speed of sound in echo calculations.

TEACHING RESOURCES
CRO, Synthesizer, connecting wires

INTRODUCTION
When a note is played by a flute and a violin, they sound different. How do these waves sound different and how do they travel from one place to another?

CLOSURE/ SUMMARY
The loudspeaker is drawn and used to illustrate how sound propagates and questions would be asked as to how the cone of the speaker moves in order to produce the particular quality, pitch and loudness.

EVALUATION
Homework questions would be given from the end of the chapter.