STEAM ENGINE

INVENTOR--JAMES WATT

• was born in Scottish
• An inventor and mechanical engineer
• was poor but very clever
• Always sick but he did not give up for learning

INVENTION--STEAM ENGINE

• a heat engine that performs mechanical work using steam.
• has a piston that moves when pressure is applied
• In the engine,air and fuel are drawn in
• When you open the exhaust valve,the steam will get out.

How James Watt invented the steam engine

One day, when his grandma was cooking,he saw the pot that had some water inside boiled.He was confused as he heard sound.Also,he saw the shell of the pot moved.

Then he thought when there was more steam on boiling water,the power of steam would increase

The change of steam engine to world

In the past,people did not have train .They went to other places on foot or by horses.

But after making steam engine, people used it to push the train to drive around the world

Also,this invention increased the money of a country.It was because the engine replaced the physical labor .

THE END