Multiple choice

The materials which do not allow heat to pass through them easily are called

  1. conductors

  2. insulators

  3. radiators

  4. semi conductors

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Insulators are materials that resist heat flow through them, making them ideal for thermal protection. Conductors allow heat to pass easily, radiators are devices that emit heat, and semiconductors have intermediate properties between conductors and insulators.