学习动机是指推动学生学习的内在力量．学习动机的发展过程分为激发、实现、强化3个阶段，在教学中应贯穿激发学习动机一实现学习动机一强化学习动机的规律，从而提高教学效果．1学习动机的合发有趣的导言是激发学习动机常用的一种方法．如在讲无机盐对植物的作用一节时，可先 Learning motivation refers to the intrinsic power of promoting student learning. The development process of learning motivation is divided into three stages: stimulating, realizing and strengthening. In teaching, motivation should be stimulated, learning motivation should be implemented, and the law of learning motivation should be strengthened so as to improve the teaching effect. An interesting introduction to the motivation of learning is a commonly used method of motivating learning motivation. As in the talk about the role of inorganic salts on a section, first