课件15张PPT。 Module 5
A lesson in a Lab 外研社
高中英语
第一册⒈ To learn about some vocabulary and knowledge related to science and experiments ⒉ To know how to do a simple experiment and write the report about it in English 3. To raise interests in science and form the right scientific attitude. Teaching Aimslabtest tube试管实验室天平balanceBunsen burnercrucible本生灯(煤气喷灯)坩埚返 回When the iron is heated(加热)
it will
When the iron is cooled(遇冷)
it willexpandcontractHow much do you know about general science?How many states does matter exist as?Use your mind!solidliquidgasoxygen metalRead
the
words
together Listen to passage A quickly and choose the best title for it.
The Different Uses of Metals
The Reaction of Metals
The Reaction of Metals with OxygenRead passage A carefully and answer:1. Which of the metals in the table reacts the most with oxygen and water? 2. What happens when you heat calcium in oxygen? 3. Which metals react with steam? 4. Does iron have a slow or fast reaction with steam? 5. Does copper react with water? Potassium, calcium and sodium.It burns to form an oxide.Magnesium, aluminium and zinc.It has a slow reaction.No, it doesn’t. Put these words in the correct order to describe the stages of a scientific experiment.conclusion aim result method When we do an experiment ,
we should first of all have an ______.We should use proper _________.We should find out the _________and get an________.aimmethodsresultconclusionSome important words about the experiment:apparatus (仪器,设备)
holder (台、架等)支持物, 固定器
cotton wool 棉絮
bunsen burner本生灯(煤气喷灯)Read Passage B,tell the stages--- nails--- nails--- nails--- nails--- nails--- nails________________________________________________cotton woolcotton woolIron doesn’t rustOil layerwaterOil layerwaterIron doesn’t rustwaterwaterIron rusts Let’s do a simple experiment to test if magnesium can burn in the air and write a short report:Aim:
Methods:
Result:
Conclusion:
To find out if Magnesium burns in the air 1)use a pair of tongs to pick up some magnesium
2)light it Magnesium is burning with a bright flame in the airMagnesium can burn in the air Homework:
Go into your science lab and tell your class the apparatus.bye-byeMagnesium can burn in the air