We think the chemical pre - scientific conceptions of students come from common experience , ordinary language , social environment and inconsonant analogy . on the basis of conceptual change theory and conceptual change teaching model , we construct the conceptual change teaching model in chemistry composed five phases 我們認(rèn)為學(xué)生化學(xué)前科學(xué)概念主要源自:日常經(jīng)驗、日常語言、社會環(huán)境、學(xué)校教學(xué)和不當(dāng)?shù)念惐?,具有隱蔽性、頑固性、與科學(xué)發(fā)展史的一致性等特點。