2.  Steam Engines  Steam Turbine Engines

4.  Sources of Energy for Modern Technologies  Internal Combustion Engines

5.  Sources of Energy for Modern Technologies  Production of Electrical Energy

6.  Principle: when you boil water the resulting steam exerts PRESSURE and MOVES objects

7.  Any machine that generates steam and converts the steam pressure into mechanical motion.  The First Steam Engine was a toy made by Heron of Alexandria over 2000 years ago

8. -invented by Heron of Alexandria -Originally used as a child’s toy -2000 years later people used this model to invent steam engines that would do actual work – leading the way for the Industrial Revolution