自然课涉及到天文、地理、物理、化学、动物、植物和生理卫生等内容。我在教学中坚持的信念是:上好自然课,要让学生“看得见”。 多年来,学生很喜欢上自然课。比如上二年级的《潜望镜》、五年级的《耳道和鼓膜》等课时,我做到课堂上以实物来讲授,让学生有物可见,展开联想,使学生加深对知识的理解。 选择恰当的实验仪器是上好课的保证。例如,当 The nature class covers astronomy, geography, physics, chemistry, animals, plants and physiology. My faith in teaching is: Good natural class, let students “see.” Over the years, students like natural classes. For example, in the second grade, the “periscope”, the fifth grade “ear canal and tympanic membrane” and other classes, I did in class to teach in kind, so that students can see things, expand associations, so that students deepen their understanding of knowledge. Select the appropriate experimental apparatus is a good lesson guarantee. For example, when