Add some of the other things such as sand, coins or pebbles to the bottle as well to see how the sound is affected. Identify the force that caused the sound. Identify what was vibrating. Teaching Tips Fine-tuning instruments takes a great deal of patience. Don't be surprised if the students become frustrated.
Xylophones are wonderful instruments for demonstrating musical scales.
If possible, try to have a few available for the students to help them tune their instruments. Local daycares and community centres may have a few that you could borrow. Us Sometimes music appears in places where least expected. Discuss with your students how such a doctor might go about testing their hearing. Talk about some of the instruments that might be used for a hearing test.