1. Using Heat
Chapter 16.3

2. Heat Engines
External Combustion Engines - fuel is burned outside the engine. (pg. 486)
Newcome Steam Engine Video
Watt Steam Engine

3. Internal Combustion Engine - fuel is burned in cylinders within the engine. (pg. 487)

4. Heating Systems
Hot Water/ Steam Heating - hot water or steam is circulated through pipes to radiators.
(pg. 489)

5. Forced-Air Heating - air is heated by a combustion chamber or electric element and a fan is used to circulate heated air through duct work. (pg. 490)

6. Cooling Systems
Heat Pump - a device that reverses the normal flow of thermal energy.
- Circulate a refrigerant through copper tubing.
- The refrigerant is compressed and cooled to form a liquid. When liquid vaporizes thermal energy is absorbed.
Examples:
refrigerators
air conditioners

7. Air Conditioners (pg. 492)