Types Of Heat Transfer

Question 1

Conduction

Answer 1

Heat transferred from flame/coil&raquo_space;>pan»>food
VIA DIRECT CONTACT

Question 2

Convection

Answer 2

Heated water/air expand, lower density, moves to surface, cooler water/air moves to bottom; creates circular movement
Energy Transfer= Mass Motion of Molecules

Question 3

Radiant Heat

Answer 3

Broiling, grilling, microwave; energy waves produced (radiation, infra-red, heat)
Energy Transfer= via electromagnetic radiation

Question 4

Induction

Answer 4

Electric coil under ceramic surface; alternating current flows through the coil to produce a magnetic field, which then generates other small currents
-must use iron-containing cookware
-does not produce hot surface