How does physical science apply to a flat iron?

Question

i need help on my homework,i need ot know how physical science applies to an object i use everyday,and i chose a flat iron,but how does physical science apply to a flat iron?pleas people,i really could use the hlep A.S.A.P.

Answer 1

Look into the processes of making flat iron. The process is moderatly complex.  

Answer 2

the heat of the iron plus the weight6 of it depends on the change of the creases