Straw Flute Pitch
Shorter straws make higher notes.
Teaching & key ideas
What you do: Blow across or through matched straw pipes.
What students see: Shorter straws make higher notes.
Why it works: Shorter air columns vibrate at higher frequencies.
Question to ask: Which straw will sound highest?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Which straw will sound highest?