Transfer of heat from a hot object to a cold one without any medium in between them is called_____________

Q. Fill in the blanks:
1. .......................... is a form of energy.
2. Heat travels through .......................... without the actual displacement of particles.
3. Heat is transferred from a hot body to a cold body by ...................., ...................., ................. .
4. Thermometer is used to measure .......................... .
5. .......................... coloured bodies are good absorbers of heat.

Q. A cold steel spoon is dipped in a cup of hot milk. It transfer heat to its other end by the process of ___________.

Q. The process of transfer of heat energy from a hot body to a cold body without heating the space in between them is called ___________.