| A | B |
| Conduction | transfer of heat through direct contact from a warmer substance to a cooler substance |
| Convection | transfer of thermal energy, in a liquid or gas, in which the warmer substance rises and the cooler substance sinks; forms a current |
| Energy | the ability to cause change or do work |
| Energy transfer | transfer of energy from one object or substance to another |
| Law of Conservation of Energy | states that energy is neither created or destroyed |
| Temperature | measure of the average kinetic energy of the particles in a substance |
| Thermal energy | a form of kinetic energy resulting from the motion of particles that is transferred as heat; associated with the temperature of substances |