I really love skateboarding but ive recently broke my board, Do you skate? 
I do!  I've been skateboarding for years - I love riding and performing tricks!
Thats pretty sick. Im pretty curious about the history of skateboarding for my class project, Do you know when they were invented? 
It's not clear exactly when they were invented, but it was sometime in the 1940s or 50s. Initially skateboards were made of  wooden boxes and roller skate wheels!
Oh ok I figured they have been around for a while. Are the wheels on a skateboard made of rubber or plastic?
They are usually made from polyurethane.  Interestingly, skateboarding will be in the 2020 Olympic Games!
Wow thats cool, And thats so neat how they are getting in the Olympics finally, What are some popular skateboarders that may attend?
I don't think that's been decided yet.  Over the years the sport has been shaped by many skateboarders and it will be exciting to see skateboarding at the Olympics!
It is indeed, Thanks for all the cool info so far, Ill be looking forward to seeing the skateboarders in the Olympics!
the 1970s, skateparks have been constructed specifically for use by skateboarders, Freestyle BMXers, aggressive skaters, and very recently, scooters. However, skateboarding has become controversial in areas in which the activity, although illegal, has damaged curbs, stoneworks, steps, benches, plazas and parks.
History.
History 1940s–1960s.
The first skateboards started with wooden boxes, or boards, with roller skate wheels attached to the bottom. Crate scooters preceded skateboards, having a wooden crate attached to the nose (front of the board
at their skateboarding diligently. Muska explained, "I'd just watch what he was doing ... he's talking and they're listening to him, you know? So I think Jamie really opened my eyes more that you could do more than just skate and get more involved with these companies, you know?"
The top five skateboarding influences, as identified by Muska in 2012, are Christian Hosoi, Natas Kaupas, Mark Gonzales, Pat Duffy, and Nyjah Huston—during the same interview, Muska admitted that "