No, it's completely different. In-line skating is on wheels, while ice skating is on blades and actually on the ice. You can jump and spin in ice skating, but not during in-line skating.
No, they're not the same. If you're roller skating or roller blading, you have a boot with buckles on it, and you have wheels on the bottom of the boot. You use them on land. If you're ice skating,...
Yes and no. In rollerskating, the road/concrete has A LOT of friction, therefore you can maintain fast speeds for so much time. In ice skating Ice has almost no friction, so you can go about two or...