What makes sound? Your students will answer this question while unleashing their sense of wonder. They will learn how vibration is the source of all sound. In the process, they will also understand how sound vibrations can travel through a line such as a guitar string or telephone line.
You get two great activities in this handout! In the first one, students make chimes that seem to be so loud, yet they hardly make a sound. In the second, they make their very own telephone. Students can experiment with variables to find out how to change the volume and tone of sounds.
This activity pairs nicely with my other “S.T.E.M. on a Shoestring” sound lab, “Straw Oboes and Bladder Pipes” for a full unit on sound and its sources.