Heat transfer

2. is the process by which heat is transferred from the hotter end to the colder end of an object.
3. is a physical quantity that quantitatively expresses the attribute of hotness or coldness.
5. the branch of physical science that deals with the relations between heat and other forms of energy
6. the quality of being hot; high temperature.
7. (of a substance) able to flow easily.
8. process by which heat is transferred by movement of a heated fluid such as air or water.
11. equilibrium The condition under which two substances in physical contact with each other exchange no heat energy.
12. degree of consistency measured by the quantity of mass per unit volume.

1. A material or an object that does not easily allow heat, electricity, light, or sound to pass through it
4. the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.
9. a thermodynamic quantity representing the unavailability of a system's thermal energy for conversion into mechanical work, often interpreted as the degree of disorder or randomness in the system.
10. is a substance or material that allows electricity to flow through it.