Good Hydration is BOTH a Health and Performance Issue for soccer players, Carbohydrate Intake is a Performance Issue, They Can Be the Difference in Winning and Losing.

Your Midfielders and Forwards should stay a short pass apart so they shift with the ball but still maintain their positions relative to each other - that gives you good spacing and field coverage.

I recommend a simple "Kick-off" that is safe and doesn't risk a turnover is a dangerous part of the field.

How Smaller, Slower Soccer Teams Can Win.

Teach your attackers (Midfielders and Forwards) to stay a pass apart. This gives you width in your attack and creates space by spreading out defenders.

How To Determine A Child's "Soccer Age".