Mrs. Zimmerman, Mrs. Echternach, Mrs. Henssler, and Miss Coble collaborated to teach a unit on Sound. Students learned how properties of sound are perceived, then created and demonstrated home-made instruments in Science class.
Sound
http://curiodyssey.org/activities/at-home-activities/sound-on-a-string/
http://curiodyssey.org/activities/at-home-activities/laughing-cup/
http://homepage.eircom.net/~kogrange/sound_experiments.html
https://www.exploratorium.edu/snacks/subject/sound
Economics