Classroom mode
Run it in class
Which complete speaker pattern leaves the smallest pressure total beside one ear?
Show of hands — before you project anything
Why does the story practice unequal signed values before asking about a complete new pattern?
- A Way more than you'd guess
- B About what you'd guess
- C Way less than you'd guess
Count the votes out loud. Hold them to it — then watch.
Project it (fullscreen)
Discussion prompts
- Why does the story practice unequal signed values before asking about a complete new pattern?
- What conditions would make the local pressure reduction less complete?
- Why is 'smaller beside the ear' more accurate than saying the room becomes silent?
Where it shows up in real life
- A passenger reducing a steady airplane-cabin rumble
- Headphones combining active electronics with a soft physical seal
- Industrial active sound control around a measured listening location
A prediction-first worksheet — no answer key.
zero prep · no login · any projector
Winding down at home? Family mode ·
Explore every question
Which complete speaker pattern leaves the smallest pressure total beside one ear?
Predict — what do you think will happen, and why?
Talk about it
- Why does the story practice unequal signed values before asking about a complete new pattern?
- What conditions would make the local pressure reduction less complete?
- Why is 'smaller beside the ear' more accurate than saying the room becomes silent?