Unit3InventorsUnit3InventorsandinventionsandinventionsWarmingup:Ingroups,discusstheinventionsyouknowandthenmakealist
Warmingup-I(4m)Doyouknowwhattheseinventionsareandwhendidtheyhappen
Telephone1876television1923colourtelevision1940photocopier1937airconditioner1902electronicdigitalcomputer1942Atomicbomb1945Creditcards1950Penicillin1928Amongtheinventionsabove,whichinventiondoyouthinkisthemostimportantone
Warmingup–II(2m)Whatisaninvention
Whatisaninvention
AnInventionissomethingthatisAnInventionissomethingthatiscreatedcreatedbyahumanbeing
byahumanbeing
Inventingisascientificactivity
Inventingisascientificactivity
Warmingup-III(2m)Warmingup-III(2m)Whatisadiscovery
Whatisadiscovery
AdiscoverymerelyAdiscoverymerelymakesknownmakesknownsomethingthatsomethingthatalreadyexistedalreadyexistedinin