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