Radiation heat transfer is a process where heat waves are emitted that may be absorbed, reflected, or transmitted through a colder body. Sun heats the earth by electromagnetic waves.
From word Bank 1:
Answer: transferring heat by radiation
Convection occurs only by means of materials, the evaporation of water or fluids.
From word Bank 2:
Answer: transferred by convection
Conduction is the transfer of heat between substances that are in direct contact with each other.
From word Bank 2:
Answer: transferring heat by conduction