Question

What do we call materials that do NOT let heat pass through them easily?
1
Thermal conductors
2
Thermal Insulators
3
opaque
Which of these is a good thermal insulator?
1
Steel
2
Iron
3
Polystyrene

Answer 1

Explanation:

1=2

2=3

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Answer 2

Answer:

3 Styrofoam is made mostly of air, meaning it is a poor conductor of heat, but an excellent convector. ... This reduces both conduction and convection and makes Styrofoam a good insulator. On the other hand, conductors such as metal are poor insulators because energy flows through them.