Exploring Sound Through Soundwaves

Reed made out of a straw! Jeff demonstrating the change in pitch depending on the length of the straw by blowing into the straw to create vibrations!

longer=lower pitch

shorter=high pitch

Playing the Theremin in the Halloween Spirit!

Jeff playing the Theremin to teach pitch and volume!

*Moving two hands between the two metal antennas, one can create different sounds by moving close to or away from the two antennas, one controlling frequency(pitch) and the other amplitude(volume).

Using a slinky to learn about sound waves!

hard whaps=loud

soft whaps=quiet

slow hands=low pitch

fast hands=high pitch

Citation: Youtube video by SciShow Kids. Published on Dec 14, 2015. https://www.youtube.com/watch?v=3-xKZKxXuu0

Learning abut sound waves!