Curated OER
Sound Observations
Students explore sound waves by conducting an experiment in class. In this sound frequency instructional activity, students utilize a tuning fork in class and identify which objects in class create different sound pitches on the fork....
Curated OER
Objects Vibrate
Students strike a tuning fork and dip it in water. They sprinkle cereal flakes on a drum, than tap the top of the drum. Students stretch a rubber band between two fingers and pluck it; stretch the elastic farther and pluck it again. Then...