Classroom mode
Run it in class
When respiratory germs can use overlapping paths, how can different protection layers lower exposure opportunities?
Show of hands — before you project anything
Why is an air-versus-touch choice too simple for many respiratory pathogens?
- 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 is an air-versus-touch choice too simple for many respiratory pathogens?
- Why can hand hygiene still have a useful job even when shared-air transmission is possible?
- Why does layering lower opportunities without guaranteeing zero risk?
Where it shows up in real life
- Opening windows or using suitable filtration to improve indoor air
- A person who is sick staying home while classmates include them remotely
- Washing hands before touching the eyes, nose, or mouth
A prediction-first worksheet — no answer key.
zero prep · no login · any projector
Winding down at home? Family mode ·
Explore every question
When respiratory germs can use overlapping paths, how can different protection layers lower exposure opportunities?
Predict — what do you think will happen, and why?
Talk about it
- Why is an air-versus-touch choice too simple for many respiratory pathogens?
- Why can hand hygiene still have a useful job even when shared-air transmission is possible?
- Why does layering lower opportunities without guaranteeing zero risk?