A ball is put back into play with a kick in case of a Corner or Goal Kick. In other cases, it is put back with help of a throw in.
To put it into the back of the net
if you want to put germs and barf on the ball be my guest
They did what we do know, play in front of people and try to get the ball in the goal.
A throw-in, goal kick, corner kick, or kick-off, depending on where it left the field of play and who touched it last.
If you throw the ball into the net, it is the other team's ball and is put back into play as if the ball had crossed the touchline to the left and right of hte goal. No point is awarded.
After a goal has been made, the team who got scored on restarts the match with the ball place in the center of the field, where one player must move the ball on the opponents side of the field to play the ball.
It's a throw in. If it goes out on the goal sides it will be a corner kick or a goal kick.
When the ball touches a player and then completely exits the pitch across the touch line, the opposing team performs a throw-in to put the ball back into play.