Classroom mode
Run it in class
Why can cornstarch goo feel solid and liquid?
Show of hands — before you project anything
Why does a connected contact path matter more than one isolated touching pair?
- 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 a connected contact path matter more than one isolated touching pair?
- How does giving grains more time let the mixture respond differently?
- What variables besides speed might change whether a contact network forms?
Where it shows up in real life
- Oobleck that resists a quick tap but flows through fingers
- People running across a pool of cornstarch suspension
- Impact-resistant fluids researched for protective gear
A prediction-first worksheet — no answer key.
zero prep · no login · any projector
Winding down at home? Family mode ·
Explore every question
Why can cornstarch goo feel solid and liquid?
Predict — what do you think will happen, and why?
Talk about it
- Why does a connected contact path matter more than one isolated touching pair?
- How does giving grains more time let the mixture respond differently?
- What variables besides speed might change whether a contact network forms?