Why will not a piece of iron protect the carpet from burning?
Because the iron, being a poor reflector, soon becomes heated, so as to burn the carpet under it.
Absorption.
When a piece of iron is held near a fire, does the iron become hot?
Yes; the iron soon becomes hot.
How is the iron heated?
The iron absorbs or takes in the heat from the fire.
What is this power to take in the heat called?
It is called Absorption of heat.
What is this process like?