Class 5 The age of machines

THE AGE OF MACHINES Fill in the blanks 1.A machine is a __________ that makes our work ____. 2.Most of the machines we use today were invented _____ years ago. 3._________ was the first metal to be discovered. 4.The earliest bronze articles found are about _________ years old. 5.__________ was used to make better tools to hunt animals and cut down trees. 6. The force of ________ was used for sailboats. 7. With the invention of the _______ _________ people had a powerful force to run their machines. 8. The _________ engine Helped to produce goods in large quantities. 9.People from villages came to the _________ to work in factories. 10. The Industrial Revolution was possible due to the ______ ________. Name them:- a)The first fuel to be used in the steam engine._____ b)The first person to make a small battery.________ c)Four sources of Alternative Energy.____________________ d)The inventor of the Spinning Jenny.__________ e)The age in which we live.________-