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.
2. Answers will vary. 3. 100 yards = 300 ft, so the area of a football field is 300 x 160 = 48,000 square feet. That is 1.1 acres, or a little larger than an acre. If you shorten the field by 9 yards to a length of 91 yards you end up with 43,680 square feet which is very close to an acre. 4.