Một số quan niệm sai lầm của học sinh khi học chủ đề “Phản ứng oxi hóa khử” (Hóa học 10)

Tóm tắt

Misconceptions are symbols, students' initial opinions about things and phenomena before being learned about the nature of that thing or phenomenon. Self-developed concepts are often inconsistent with scientific concepts. The article presents the theoretical basis for students' conceptions and misconceptions; misconception detection process; identify student misconceptions system and propose illustrative examples of specific misconceptions students have when studying the Topic “Redox Reactions” (Grade 10 Chemistry) through teaching experience and survey opinions from teachers and students. New knowledge can only be established in a sustainable way, integrated into students' own understanding when it is built on the basis of existing knowledge, and at the same time transforms and overcomes concepts and ways of thinking. Old misunderstandings and contradictions of students, causing students to see their own mistakes and see that they have to change their conceptions and overcome mistakes to build new appropriate knowledge.