Which of the following would be an example of an insulator?

a
cooking pan
b
copper wire
c
tin can
d
Styrofoam cooler

Styrofoam cooler

The correct answer would be d. Styrofoam cooler. Styrofoam is a material known for its low thermal conductivity, which means it does not conduct heat well. Therefore, it acts as an insulator by preventing the transfer of heat.