This week we combined science and the arts to learn about the science of sound! 7:00pm - Opening and Welcome 7:15pm - Sound Waves We looked at some diagrams of sound waves (From this slide deck ) and talked about how echoes work, and why small instruments make high sounds and big instruments make low sounds. 7:25pm - Videos We were going to watch some videos of people playing boom whackers and glass bottles (in the slide deck), but to be honest I completely forgot about them. We had some technical difficulties that resulted in the meeting starting a few minutes late, and the girls were ready to start experimenting so we just went straight to that. 7:30pm - Experimenting Once we were done with all the talking, we sent the girls off to experiment. They all brought cups and they filled them with water to make different pitches. I also suggested that they try tapping the cups with different objects to see if they could make different sounds. Then we all shared the songs we...