How many to several in football is there any difference

Is there any difference between the 7-a-side football and the 15 A-side football
Football is a popular sport in Europe and AmericaAll rules of American football
Rules: American football matches are played between two teams with a maximum of 53 players (NFL rules). Both sides send 11 players to play, and some or all of the players on the field can be changed at any time. The one who gets the ball control is the attacker, and the goal is to push the ball to the opponent's position as much as possibleFootball rules
Because it is like an olive, it is called rugby in China. Rugby is a city in the middle of England, where a Rugby School is the birthplace of football. It is said that w.w. Ellis, a student of the school, felt very sorry for a football mistake in a school football match in 1823, and even recklessly picked up the ball and ran away. LaterWho told me the rules of football
Rugby game rules: the first ball played according to the rules after the kick-off game begins or scores. The kick-off rules of rugby football are as follows: at the beginning of each half court, the kick-off team members make a fixed kick at the midpoint of the center line; After one side scores, the other side will kick at or behind the midpoint of the center lineThe basic rules of football
Rule: it takes 80 minutes to play an English football game. There are only two halves, with a 10 minute break between halves. Each team has 15 players, including 8 forwards and 7 defenders. Touchdown scoring is the highest scoring method in rugby: when the offensive team breaks into the defensive side, it will get a touchdown with the ball in the zone, and "touchdown" will get 5 pointsAsk for the rules of rugby
However, a rugby game takes 80 minutes, and there are only two halves, with a 10 minute break between halves. Number of players: in 1880, the American Football Association stipulated that there were 11 players from each side, including 4 guards, 7 forwards, and 3 substitutes "in case of accidents"The rugby game is a system of several battles and several victories
The team that scores more at the end of a game, such as football (such as American football, also known as American football), wins. It's not like the system of several wins in a few games in volleyball. American football matches are played between two teams with a maximum of 53 players (NFL rules), with 11 players from each sideHow to calculate the football score
The basic rule is that the score is the same as that of all team competitive games. The team with more scores wins the football game. There are two traditional scoring methods: touch down and field goal. The attacker takes the ball all the way to the opponent's end line, which is called touch down, and gets 6 pointsWhat is the difference between the rules of a 7-man football game and a 15 man football game
Rugby Sevens is a kind of rugby. Rugby Sevens is a new kind of rugby. The venue and rules are roughly the same as those of the traditional 15 player football. However, due to the small number of players, fast pace and high average score, it is generally popular. Now, it is an official event of the world gamesFootball rules
In ball games, the rules of American football are more complex. But that doesn't mean you have to read an obscure rulebook to read football. In fact, it only takes you five minutes to understand the football game. Of course, if you want to understand it deeply, it is another matter. American football is a fiercely competitive game