Question

out of the following materials:
wood, paper, cardboard, natural fibers, organic granular material, and aluminum foil
which is the best insulator?
if you suggest one of these categories please be specific out of the following materials:
wood, paper, cardboard, natural fibers, organic granular material, and aluminum foil
which is the best insulator?
if you suggest one of these categories please be specific @Physics

Answer 1

I want to say its wood. :)

Answer 2

can u be recommend a specific wood? I've heard less dense woods are the best insulators

Answer 3

Balsa :) try that

Answer 4

wood or any organic substance actually is a good insulator

Answer 5

any specific organic substances?
im doing a scioly event and we're asked to construct an insulated device to conserve the heat of water for 20-40 minutes

Answer 6

cork would do fine as it has lot of air trapped in it and air itself is an insulator of heat.... (here I am guessing u r asking about heat insulation and not electric insulation...)

Answer 7

yeah im studying thermodynamics not electrical phenomena