Rice Jumps on a Sound Membrane
Rice jumps when the membrane vibrates.
Teaching & key ideas
What you do: Place rice on taut wrap and make sound nearby.
What students see: Rice jumps when the membrane vibrates.
Why it works: Sound waves make the air and membrane vibrate.
Question to ask: Can we see sound moving something?
Lesson flow
Predict → demonstrate → observe → briefly explain → ask: Can we see sound moving something?