food
The best insulator of heat is probably polystyrene foam or fiber glass.
insulator
an insulator
An insulator.
Insulator
The best insulator of heat is probably polystyrene foam or fiber glass.
A material that doesn't conduct heat well is called an insulator.
Don't know if it is the best but Newspaper is a very good insulator and generally easy and cheap or free to get. Cardboard is alo very good.
an insulator
insulator
A insulator (a thermal insulator)
An insulator.
rubber
Insulator
This material is a thermal insulator.
a insulator of electricity is a material that insulates, especialy a nonconuctor of sound,heat,or electricity.
insulator