In each of the following situations, identify the method of heat transfer taking place (conduction, convection, radiation). More than one process may be occurring. Write your answer in the space provided. Hot coffee is stirred with a spoon, the spoon get hots due to
A chair is placed several feet from the fireplace. The fireplace has a glass screen. The side of the chair facing the fireplace get\s warm due to
A certain type of decorative lamp contains colored liquid, These liquids form globs that break off and rise to the top of the liquid. The globs rise due to:
Near the ceiling of a room the air is warmer. The warm air rises because of
A college student holds the back of his hand near an iron to see if it is hot. Heat is transferred to his hand by
A heater is placed under one corner of a water bed mattress. Warm water moves throughout the mattress because of: ___
A certain type of stainless steel cookware has a layer of copper applied to the bottom to help it heat evenly. The copper transfers heat to the pan by:
In a swimming pool; the water near the surface is slightly warmer. The warm water rises because of: ___
One end of a copper rod is placed in the flame of a bunsen burner. Small pieces of wax that are placed along with the rod melt. Heat is transferred through the rod by:
A house burns down. On the house across the street, all of the vinyl sidings is twisted and warped by the heat. The heat was transferred across the street by: ___

Match each description with its mechanism of energy transfer.

__1. Transfer of heat by mass movement/circulation within a substance A. radiation
__2. Transfer of heat through matter by molecular activity B. convection
__3. Transfer of heat without requiring a medium to travel C. conduction

4. Give 4 examples of convection currents in nature.

Mechanism of Energy Transfer
Requires direct contact?
Requires a medium?
Conduction
Requires direct contact- yes

Convection

Radiation

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