1 / 9

水 结冰了

水 结冰了. 思考讨论:水是怎样结成冰的?在什么温 度下会结成冰?. 水结冰的实验方法: 1.在试管里加入适量的水,用温度计测量并记录试管里水的温度。 2.拿一只塑料杯(在外面包上毛巾),在杯里里装入 碎冰,将试管插入碎冰中,用温度计测量水的温度变化。 3.在试管里加入食盐(加盐能制造更低的温度),保持几分钟持续观察测量试管里水的温度。 4.如果发现试管里的水结冰,立即读出温度。. 通过实验我们发现了什么?.

fawzi
Download Presentation

水 结冰了

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. 水 结冰了

  2. 思考讨论:水是怎样结成冰的?在什么温 度下会结成冰?

  3. 水结冰的实验方法: 1.在试管里加入适量的水,用温度计测量并记录试管里水的温度。 2.拿一只塑料杯(在外面包上毛巾),在杯里里装入 碎冰,将试管插入碎冰中,用温度计测量水的温度变化。 3.在试管里加入食盐(加盐能制造更低的温度),保持几分钟持续观察测量试管里水的温度。 4.如果发现试管里的水结冰,立即读出温度。

  4. 通过实验我们发现了什么?

More Related