Season 3 Episode
- Season 3 Waves: Kinds and Properties
- Season 3 Sound Waves – Sources of Sound
- Season 3 Vibrating Bars & Strings – The Phenomenon of Beats
- Season 3 Resonance – Forced Vibrations
- Season 3 Sounding Pipes
- Season 3 Vibrating Rods and Plates
- Season 3 Miscellaneous Adventures in Sound
- Season 3 Electrostatic Phenomena: Foundations of Electricity
- Season 3 Adventures with Electric Charges
- Season 3 Adventures in Magnetism
- Season 3 Ways to Produce Electricity
- Season 3 Properties and Effects of Electric Currents
- Season 3 Adventures in Electromagnetism
- Season 3 Further Adventures in Electromagnetism
- Season 3 Miscellaneous and Wondrous Things in E & M
- Season 3 Mars Landing 2012: The New Search for Life
Why Is It So? - Season 3 Episode 2 Sound Waves – Sources of Sound
0.00 48 minutes For sound to be heard, there has to be something to compress. Miller vibrates metal, tears cloth, and blows streams of air through holes to discuss the propagation of sound waves.
