Whenwespeakofinventions,weWhenwespeakofinventions,wecan’thelpthinkofthefourgreatcan’thelpthinkofthefourgreatinventionsinancientChina
CaninventionsinancientChina
Canyounamethem
younamethem
Warminguppaper-makingprintingcompassgunpowderHowmanyfamousinventorsdoyouknow
Whatdidtheyinvent
ZhangHengZhangHeng(78—139)(78—139)SeismographSeismographThomasEdisonAmerica(1847——1931)AlexanderGrahamBellAlexanderGrahamBellEnglandEngland(1847--1922)(1847--1922)KarlFriedrichBenzKarlFriedrichBenzGermanyGermany(1884--1929)(1884--1929)WilburandOrvilleWrightinventedtheairplane,whichtheypatentedasa“flyingmachine”
Chooseyourluckynumberandplayagame
Airplane•Thisinventionismadeofmetal
•Thisinventionlookslikeabird
•Itmakesitpossibleforpeopletoflytodifferentplacesintheworld
•Itispoweredbyanengineandisflownbyapilot