The thermos bottle used to keep liquids either hot or cold is an application using all three methods of heat transfer. The knowledge of the method of heat transfer is used to prevent the transfer of heat in the thermos bottle.

1. Draw a thermos bottle then explain what Kind Of Thermal Energy Transfer Occurs In A Thermos bottle?

2. In which part is the conduction energy transfer occurs. Explain

3. In which part is the convection energy transfer occurs. Explain

4. In which part is the radiation energy transfer occurs. Explain