To show and then play a movie, click on the arrow or the movie title/description. Repeat to hide it.

UWS L3 Movie 1: "Bell in a Bell Jar" part 1: Buzzer inside glass jar with air

UWS L3 Movie 2: "Bell in a Bell Jar" part 2: Buzzer inside glass jar with no air (vacuum)

UWS L3 Movie 3: "Vibrations in a steel ruler"

UWS L3 Movie 4: Simulation: Speaker creates sound waves that propagate through air

UWS L3 Movie 5: Simulation: Listener moves toward and away from speaker

UWS L3 Movie 6: Simulation: Speaker in glass container from which air is removed and then let back in

UWS L3 Movie 7: Simulation: Amplitude of sound waves produced by speaker increased

UWS L3 Movie 8: Simulation: Frequency of sound waves produced by speaker increased