在“观察水的沸腾”实验中，当水温升到90℃时，每隔1min记录一次温度计的示数，数据如下表：

  

                                                                                                                                                                                  

时间/min	0	1	2	3	4	5	6	7	8
温度/℃	90	92	94		97	98	98	98	98