Question 3
Work in groups. Tightly stretch cling film over a small bowl and secure it with a rubber band to make a flat surface like a drum skin. Sprinkle small grains of rice on the film. Hold a saucepan close to, but not touching, the film. Hit it with a wooden spoon or sturdy stick to produce a loud sound.
In your groups, discuss whether this experiment provides a good model of sound waves. Explain your answer.
In your groups, discuss whether this experiment provides a good model of sound waves. Explain your answer.
