alleryStart learning →Which of these is the poorest conductor of heat?
AStill air
BCopper
CIron
DAluminium
Answer & Solution
Correct answer: A. Still air
Gases like still air have widely spaced particles and transfer heat poorly compared with metals.
Keep practising Heat
Browse all Heat questions for Olympiad (Class 7), or explore more Science topics.
Related questions
Some solar water heaters move hot water upward without a pump by:Thick mud walls keep a hut cooler in summer mainly because mud is a:An ice cube melts in your hand because heat flows:While measuring the temperature of hot water, the laboratory thermometer should be held:When a 90 degrees C block touches a 10 degrees C block, the hotter block's temperature wilHeat is a form of:Normal body temperature on the Fahrenheit scale is nearly:The bottoms of cooking vessels are often blackened with soot because black surfaces: