| 12-1 | 概述 Overview |
| 12-2 | 聲波的速度與波前的介紹 Velocity of Sound Wave and Introduction of Wave Front |
| 12-3 | 駐波 - Closed and open pipes Standing Wave - Closed and open pipes |
| 12-4 | 都卜勒效應 Doppler Effect |
| 12-5 | 波的干涉與拍 (Beats) Interference of Waves and Beats |
| 12-6 | 聲波的波動方程式 Wave Equation of Sound Wave |
| 12-7 | 聲波能量的傳遞、Intensity、Intensity Level Sound Energy －Transmission, Intensity, Intensity Level |
