四合一空气检测仪在植物呼吸作用实验教学中的应用

The Application of the four-in-one air detector in theexperiment teaching on plant respiration

利用四合一空气检测仪对绿色植物呼吸作用过程中的氧气、二氧化碳、温度和湿度变化进行实时定量检测,并对得到的数据加以分析,引导学生认识呼吸作用的实质。该实验所需材料器材少、易获取、成本非常低,操作极其简单,实验时间短易完成教学任务,实验现象更加明显直观。

The four-in-one air detector was used to quantitatively detect the changes in oxygen,carbon dioxide,temperature,and humidity during the respiration process of green plants in real time.The obtained data was analyzed to guide students in understanding the essence of respiration.This experiment requires few materials and equipment,is easy to obtain,has very low cost,and is extremely simple to operate.It can be completed quickly to fulfill teaching tasks,and the experimental phenomena are more obvious and intuitive.