This is called tandem Surfing. It is usually a male holding a female (who is very light!). The female does various poses of varying difficulty while the male remains standing on the deck of the board holding her up. It's kinda cool. There are contests for it even.
Surfing. You put all ten of your toes off the surf board.
The surf board can only be used during water related amusments, it helps Pokemon such as Pikachu to surf on the water, alowing it to play.
A body board is like a small surf board. A body board is used at the beach to "surf" closer to the shore than a surfer would. Advanced users can perform tricks and twists with these boards. Like surf boards they have a tie cord to ensure the surfer doesn't loose their board.
Some call it a surf board, others may call it a tray.
its an elastic cord with a hook at either end traditionally used to secure a surf board to roof racks on a car
A Hawaiian invention is the SURFBOARD!!!!!!!!!!!!!!!!
Getting on board means someone is asking you to join in with them. This is a common term used in group settings.
A skate board is typically a small wooden board with 4 wheels, used to perform stunts on land and is powered, in most cases, by being pushed along by the person riding it, a surfboard, however, has no wheels and is used most often in seas, oceans, or other large bodies of water, to perform tricks.
MOTHERBOARD MOTHERBOARD
I don't think people surf at all. Yes, the great lakes are very big but not big enough to surf. Plus the water is very cold and mainly used for transporting goods to and from the naighboring states.
Skateboarding used to be called "sidewalk surfing". it happened when surfers couldnt surf and the put trucks and wheels on the bottom. Soon after "sidewalk surfing" began, people re-dubbed it as "skateboarding" and they changed the board shape and size. Thats why longboards are accepted in the skateboarding community
There's no particular scientific term, but you might use 'warping'.