1, thermometer has three sides, one side is marked with production date and brand, the other side is marked with degree, and the other side is marked with scale. As shown in the figure below:

The temperature of the thermometer is 35 to 42 degrees. The scale is divided into 14 large scales, each scale represents 0.5 degrees, and it is divided into 5 small scales of 0. 1 degree. As shown in the figure below:

3. After holding the thermometer, we hold the tail of the thermometer with our hands, and then turn the thermometer to the middle of the degree and scale. As shown in the figure below:

Then turn it gently and repeatedly, and you will see a silver line. As shown in the figure below:

5, hold the end of the thermometer, and then gently swing the thermometer, make the thermometer scale below 35 degrees, and then put it under your arm 10- 15 minutes. As shown in the figure below:

6. We can observe the trend of the silver line according to the different scales and degrees. We can see that the temperature is 36.4 degrees. As shown in the figure below: