Worksheet looking at waves travelling through different media.\n\nStarter used a bell jar.\n\nThis is a practical based lesson with three different activities
Practical activity.\n\nIn pairs students pick a type of ear to make. They then stand near the sound source that is included and walk backward until they can no longer hear the sound. The sound needs to be very low, along with the class being quiet.\n\nTwo elephant ears should be the best.