Conduction
Conduction: Overview
This Topic covers sub-topics such as Transfer of Heat, Examples of Conductors, Modes of Transfer of Heat, Thermal Insulators, Thermal Conduction and, Thermal Conductors
Important Questions on Conduction
Explain thermal conduction, thermal convection and thermal radiation.
Heat reaches from the Sun to the Earth. Can thermal convection be used to transfer heat from the Sun? Explain. What are the main differences of radiation from other two modes?
Transfer of heat occurs in different modes. Explain different modes of heat transfer with suitable examples.
A metallic plate at is dipped in a bucket containing water at . The heat flow will be in which direction?
(Plate to water/water to plate/ no heat flow)
In which of the following materials, conduction mode of heat transfer takes place?
An iron ball at is dropped in a mug containing water at . The heat will _____.
Which one amongst the following is best conductor of heat?
Which materials allow heat to pass through them? (Choose from thermal conductors or thermal insulators).
In the rod-nail-candle experiment, the nail falls off due to which of the following modes of heat transfer?
A blanket works well to keep us warm in winter as it won't conduct the heat from our bodies out to the cold air. This proves that the blanket is a:
Materials that let heat move through them easily or conduct heat well: (thermal conductor/ insulator/ semiconductor)
In each group of words, pick the odd one out. Give the other words a group name which tells what all of them are.
Give one example of each of the following:
A good conductor of heat
Why is there a thermocoal coat on the inner surface of the wooden box?
State whether conduction or convection is responsible for the following:
Metal spoon heats up when placed in a bowl of hot soup.
