Straw Flute Pitch

Shorter straws make higher notes. Ask students to predict what will happen. Blow across or through matched straw pipes. Key idea: Shorter air columns vibrate at higher frequencies. Ask: Which straw will sound highest? Safety and cleanup: Teacher demonstrates; do not share mouth pieces. https://www.google.com/search?q=%22Straw+Flute+Pitch%22+science+demonstration+experiment