GRADE 3â5 CONCEPTS â  When ice is warmed to its melting point, itmelts into water. â  When liquid water is cooled below a tem-perature known as the freezing point ofwater the liquid water becomes solid ice. â  The melting-point and freezing point of asubstance are essentially the same.
They are 100 yards on a football field. They are also an addition 10 yards in each end zone. The ball is placed in the middle (middle of the hash marks) when ever it is either turned over or down in the end zone on a kick off.
An American football field, if the end zones are omitted, is 300 feet long. This reduces its area to 48,000 square feet, which is 1.1 acres. An acre is defined as an area of 43,560 square feet. The two end zones in football are 10 yards, or 30 feet long. Centered on the length of the field, on either side, are the coaching boxes and team areas. The coaching boxes are 6 feet from the edge of the field, 6 feet wide and 120 feet long.