Skating is a great way to exercise. There are different types of skates. Quad skates also known as Roller Skates and Inline skates known as Rollerblades are two types of skates. Skating is an activity that can be done as a group or individually. Roller skating is the act of traveling on surfaces with roller skates. It is a recreational activity, a sport, and a form of transportation. Roller rinks and skate parks are built for roller skating, though it also takes place on streets, sidewalks, and bike paths.