Question

what is the primary method of heat transfer when a metal spoon gets hot from sitting in a pot of boiling water?
radiation
conduction
insulation
convection

Explanation:

Step1: Recall heat transfer methods

Heat transfer has three main methods: conduction (through direct contact of solids), convection (in fluids via bulk movement), radiation (electromagnetic waves).

Step2: Analyze the scenario

A metal spoon in boiling water - solids (spoon and pot) in direct contact. Conduction is heat transfer through direct contact of materials (molecules vibrating and transferring energy). Radiation doesn't need a medium (like sun - earth heat transfer via radiation). Convection is in fluids (like water boiling and moving in the pot, but the spoon heating is due to contact). Insulation is the opposite of heat transfer (preventing it).

Answer:

Conduction