观察作为一种感知活动，作为一种认识方法．在教学活动中具有重要的作用。小学自然课中观察种类大致可分为两类：一类叫定性观察，它主要有两个方面：第一，观察动植物的形态及物体的一般属性：如形状、颜色、气味等。第二个方面是观察一些常见的自然现象，如水的三态变化、物 Observe as a cognitive activity, as a way of knowing. In teaching activities have an important role. There are basically two types of observations in the nature class of primary schools: one is qualitative observation, which has two main aspects: first, observe the shape of plants and animals and the general properties of objects: such as shape, color and smell. The second aspect is to observe some common natural phenomena, such as water tri-state changes