本文从如何运用合理评价、巧问巧评、学生互评、无声评价等方面,结合自己的教学实践阐述了化学课堂中对学生及时评价的重要性,充分地说明了化学课堂的及时评价对提高学生学习化学的兴趣;促进学生潜能、个性、创造性的发挥;营造和谐、轻松的课堂气氛有着积极的作用。 This article elaborates the importance of timely assessment of students in chemistry class from the aspects of reasonable evaluation, clever and ingenious evaluation, mutual evaluation of students, silent evaluation and so on, and fully demonstrates that the prompt evaluation of chemistry class improves the students’ Students learn the interests of chemistry; to promote students’ potential, personality and creative play; to create a harmonious and relaxed classroom atmosphere has a positive effect.