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Invention means making something for the first time.Look at the pictures of some inventions and write the names of their inventors with the help of the Clue Box.1. ...............................6. ...............................2. ...............................7. ...............................4. ............................... 5. ...............................3. ...............................8. ...............................15Incredible InventorsThe Cugnot tractor was the first self-propelled road vehicle powered by steam.File-O-FactTelephoneWall ClockSteam EngineBallpoint PenTelevisionRadioAeroplane Electric BulbJames Watt, Guglielmo Marconi, J.L. Baird, Orville & Wilbur Wright, Christiaan Huygens, Thomas A. Edison, John J. Loud, Alexander Graham BellClue Box28
