主題教學影片_聲音

Understanding Decibels | What They Are and Tips To Increase SPL

Measurements and the dB - Sound Pressure Level and Loudness

Properties of Sound Waves Lesson Loudness Pitch and Quality

Where Music Meet Science Part 3: Frequency and Harmonics

Sound Science Lesson Starters Key Stage 3 & 4

Where Music Meet Science Part 1: Pitch and Frequency

Where Music Meet Science Part 2: Timbre and Complex Waves

聲波懸浮液體水滴！

Candle Sound wave physical experiment