Unit 3 The world of science Period 5 Writing & Presenting ideas （ppt课件）-2024新外研版（2019）《高中英语》必修第三册.pptx

1、外研必修第三册 Unit 3 Period 5Writing&Presenting ideasVideo:Magic bottle学习目标学习目标To read a fable and interpret the message that the fable conveys12To read the instructions for the experiment and do it by yourself,write an experiment report.To choose a day-to-day used object and predict its changes in 50 yea

2、rs.目标一：目标一：To read the instructions for the experiment and do it by yourself,write an experiment reportActivity 1:Read the instructions for the experiment and answer the questions.28 MarchMagic bottleMaterials A boiled egg A glass bottle(bottleneck a bit smaller than the egg)Hot waterProcedure1 Remo

3、ve the shell of the egg.2 Carefully pour some hot water into the bottle.3 Shake the bottle gently.4 Pour out the hot water.5 Quickly put the egg on top of the bottle.Results.Note:Do the experiment under the instructions of a teacher.1.What do you think the results of this experiment will be?2.What c

4、an you learn from this experiment?The egg will squeeze into the bottle.The experiment shows us the effects of air pressure.Air pressure indeed exists,and it is very powerful.Activity 2:Read the outline of the experiment report and answer the questions.1 How many parts are included in an experiment r

5、eport and what are they?2 Make a comparison between the instructions for the experiment and the outline of an experiment report.What are the differences in terms of language?1 Three.The structure of an experiment report,Introduction:introduce the aim of the experimentMain body:describe the materials

6、 used in the experiment and explain the procedureConclusion:report the results and what you have learnt2 phrases vs.sentences,imperative sentences vs.a coherent passage,Activity 3:Complete the boxes with the information in Activity 1.Do further research if necessary.IntroductionIntroductionIntroduce

7、 the aim of the experiment.This experiment is designed to _.to prove whether air pressure really exists.Main bodyMain bodyDescribe the materials used in the experiment and explain the procedure.I prepared _ to do this experiment.Procedure:_a boiled egg,a glass bottle(bottleneck a bit smaller than th

8、e egg)andhot water1.Remove the shell of the egg.2.Carefully pour some hot water into the bottle.3.Shake the bottle gently.4.Pour out the hot water.5.Quickly put the egg on top of the bottle.ConclusionConclusionReport the results and what you have learnt.After the experiment,I can draw the conclusion

9、 that _air pressure indeed exists,and it is very powerful.It is the force of the air that pushed the egg into the bottleNow write a report of the experiment.Sample：The experiment is designed to prove whether air pressure really exists.At the beginning of the experiment,I prepared the materials,inclu

10、ding a boiled eggs,a glass bottle whose neck is a bit smaller than the egg,and some hot water.With all the things prepared,the experiment began.First,I removed the shell of the egg.Then,I carefully poured some hot water into the bottle,and shook the bottle gently.After a few minutes,I poured out the

11、 hot water.Just at the same time,I quickly placed the egg on top of the bottle.To my amazement,the egg squeezed into the bottle at once.After the experiment,I can draw the conclusion that air pressure indeed exists,and it is very powerful.It is the force of the air that pushed the egg into the bottl

12、e.目标二目标二:To choose a day-to-day used object and predict its changes in 50 years.Activity 1:Work in groups.Look at the pictures and discuss how these objects have changed over the years.Take telephone for example:They have become much smaller and are having multi functions now.They have changed so mu

13、ch in order to adapt to peoples needs.Their evolutions have made our lives more convenient and comfortable.I hope it can equip a function of voice call,so that I can find my cellphone at any time.Activity 2:Choose one of the objects in Activity 1 or an object that you use every day.Predict how it wi

14、ll further change over the next 50 years.Make notes about your ideas.My object:_How it will change:_Why it will change:_bedIt will have the functions of alarming and massaging.Nobody will be late for school or work.We can relax ourselves after a day of hard work.Activity 3:Present your ideas to the

15、class.Use the notes in Activity 2 and the expressions in the box to help you.Useful expressionsUseful expressions It will become.People will use.instead of.It will be.for people to.There will be no.because.Sample:As the old saying goes,everyone will spend one third of their time on bed,so the bed is

16、 really of great importance to us.With the development of technology,the bed will evolve absolutely.In the future,it will equip an alarm inside and people will never be late for school or work.Whats more,it will have the function of massage,which will relax our body after a day of hard work.Both of the evolutions will make our lives more comfortable and convenient,and that is what we call the miracle of technology.学习总结学习总结1 Can you retell the procedures of the Magic bottle experiment?2 Can you predict the changes of computer in 50 years?