“实验教学”是化学教学的特征之一,化学实验能为学生提供必要的感性材料,有利于学生理解化学概念、原理,形成科学的思维观念;能为学生提供练习和实践的机会;有助于培养学生的观察能力、思维能力,养成科学的 “Experimental teaching” is one of the characteristics of chemistry teaching. Chemistry experiment can provide students with the necessary perceptual material, is conducive to students to understand the concept of chemistry, the principle of scientific thinking; to provide students the opportunity to practice and practice; Help to develop students’ observation ability, thinking ability, develop science