Plate tectonics (Afaan Greek tektōn jedhamu irra kan dhufee yoo ta'u hikaan ""ijarra"" jechu dha) kuni immo yadda geology kessatti sochii lafa lithosphere planeta kenya kessatti argamu jechuu dha. that has been developed to explain the observed evidence for large scale motions of the Earth's lithosphere. Yaddi kuni immo yadda durii kana continental drift walakka 1ffa century 20ffa ba'e fi yadda seafloor spreading kana bara 1960ffa kessatti guddatte kan ofii kessa qabu fi kan irratti hunda'e yoo ta'u, yaddi tectonic plate yadda lachu fayyida alla gochu danda'erra.