Advertisements
Advertisements
Question
Give two examples each of conductors and insulators of heat.
Advertisements
Solution
- Two examples of conductors of heat are:
- Aluminium
- Iron
- Two examples of insulators of heat are:
- Air
- water
APPEARS IN
RELATED QUESTIONS
Write true or false for a given statement.
Medium is necessary for the transfer of heat by radiation.
Select the correct alternative
Heat in a liquid is transferred by
Why is the freezing chest in a refrigerator fitted near its top?
Explain briefly the process of heat transfer by radiation.
Maximum heat is absorbed by a ______ coloured object.
How does a fever get lowered by putting a cold compress on the forehead of a patient?
Explain which mode of heat transfer causes sea breezes and land breezes.
Why is the outer coat of the penguins of Antarctica black?
The handles of cooking utensils are made of ______.
Take two similar transparent glass bottles having wide mouths. Put a few crystals of potassium permanganate or pour a few drops of ink in one bottle. Fill this bottle with hot water. Fill the other bottle with cold water. Cover the cold water bottle with a thick piece of paper such as a postcard. Press the postcard firmly with one hand and hold the bottle with the other hand. Invert the bottle and place it on top of the hot water bottle. Hold both the bottles firmly. Ask some other person to pull the postcard. Observe what happens. Explain.
