17
.
The most common kind of thermometer is made with mercury (水银) inside a clear glass tube. As mercury (or any other liquid) becomes hot, it expands. As it gets colder, it contracts. That is why on hot days the mercury line is high in the glass tube.
18
.
First, take a clear glass juice bottle that has a cap; fill the bottle with colored water. Tap a hole in the center of the cap using a hammer and thick nail. Put the cap on the jar. Then stick a plastic straw (吸管) through the nail hole.
19
.
Finally, place a white card on the outside of the bottle and behind the straw. Now you can see the water level easily.
20
.
As the temperature goes down, the water will contract, and the level in the straw will come down. Perhaps you will want to keep a record of the water level in the straw each morning for a week.
A.We use and depend on thermometers to measure the temperature of many other things in our daily lives.
B.Thermometers measure temperature, by using materials that change in the same way when they are heated or cooled.
C.Now that you know this rule you can make a thermometer of your own that will work.
D.The water will rise in the straw. As the temperature of the air goes up, the water will expand and rise even higher.
【河北省武邑中学2016届高考英语一轮复习单元检测:13】相关文章:
★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练:第11组(含解析)
★ 【浙江专用】2014届高考英语一轮复习课时作业(十三)必修3Unit 3《The Million Pound Bank Note》
★ 湖南省长沙县实验中学2016届高三英语二轮复习书面表达复习重点话题指导专题06 记叙概括话题指导(学生版)
★ 河南省三门峡市2014高考英语一轮(暑假)基础训练(10)附答案
★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练:第9组(含解析)
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (4)
★ 【三维设计】2017届高考英语(江苏专用)二轮复习课件:必修3 Unit 2《Language》
★ 2017届江苏省淮安市新马中学高考牛津译林版英语一轮复习活动单:模块6 Unit 2《What is happiness to you》
★ 2014届高考英语一轮复习课时作业(十二)必修2Module 6《Films and TV Programmes》(外研版)
★ 安徽省淮南市2014高考英语一轮单项选择及文章训练(2)及答案
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21