Yes, its called sitting volleyball because the players sit on the floor.
There is a total of 10 basketball players on the floor at a time, but only 5 from each team.
Each team has five players on the floor (total of ten players).
One game is called "hopscotch," another is called "four-square," and is played with a ball and 4 players.
you can have 5 players on the court at one time
Yes, the girls, or boys, do. Its called a rotation. You do this whenever a ball touches the floor on the other side of the volleyball net.
No, back row players can not leave to hit the ball.
To prevent slipping on the floor.