Yes
a ball
Yes
A cylinder
It can slide if there is enough force to overcome static friction. Similarly, it can roll if the force is great enough to impart a sufficiently large turning moment (and maintain it).
Slide.
Yes
cylinders: slide on the small sides, roll on the round one
You slide,roll,and tumble
Solid candle wax.
a ball
Yes
both
yes. it can slide if on a slippery surface facing downwards
A cylinder
A square, honey. It can slide on its flat surfaces, but it ain't gonna be rolling anywhere with those sharp corners. So, if you're looking for a shape that's all about sliding and not about rolling, go square or go home.
No