Slip… or grip?
Some floors let you slide. Some floors grab your feet. Why?
A smooth floor is slippy. A bumpy floor is grippy.
smooth
bumpy
Same little hill. One shiny, one fuzzy.
Tap to make the floor smooth or bumpy!
Tap the floor — feel it go smooth, then bumpy.
A penguin sits on the shiny hill. Will it or STAY?
Tap your guess!