At McCullough Elementary School, Mrs. Coleman’s 4th-grade students are studying energy transfer. In a hands-on activity, they used their own ‘spoon bells’ to create sound waves using yarn and spoons. The students were able to compare how sound energy travels through different media, such as metal and plastic.
Reagan Savinda tests how a metal spoon transfers energy through vibrations
Alana Supancic compares the sound of energy transfer through a plastic spoon to that of a metal spoon; the plastic spoon sounds quieter because it does not vibrate as much