Bài giảng Tiếng Anh 11 - Unit 11: Sources of energy (cont)

Warmly welcome to our class !UNIT 11: SOURCES OF ENERGYLESSON 1 - READINGI. BEFORE YOU READWhat source of energy does each picture above refer to?wind energysolar energywater powernuclear powerWhat can you see in the pictures?windmillsolar panelsnuclear reactorshydroelectric dam[,haidroui'lektrik]What do people use those things for?They use them to make energy.WindmillWind powersolar energysolar panels ['soulə] ['pænl]Water PowerHydroelectric damNuclear Powernuclear reactorsgeothermal heat [,dʒi:ou'θə:məl hi:t] What do you need energy for?We need energy for every daily activities.1. VOCABULARYOil, petrol, coal and gas are fossil fuelsfossil fuels ['fɔsl] [fjuəl]: nhiên liệu hoá thạchenergy ['enədʒi] (n) = power ['pauə] (n): năng lượngreserve [ri'zə:v]: sự dự trữfossil fuel ['fɔsl] [fjuəl] (n): exhausted [ig'zɔ:stid](adj): cạn kiệtnuclear ['nju:kliə] (adj): geothermal heat [,dʒi:ou'θə:məl hi:t] (n) release [ri'li:s]: thải ra, phóng raplentiful ['plentifəl] (adj): nhiềuinfinite ['infinət] (adj) = unlimited (adj): vô tậnpotential [pə'ten∫l] (n / adj): tiềm năng, có tiềm năng alternative [ɔ:l'tə:nətiv] (adj):thay thếto make use of: sử dụngto make full use of: tận dụngVOCABULARYNhiên liệu hóa thạchĐịa nhiệt TASK 1: Fill each blank with a suitable word.1.Six hundred balloons were_______ at the ceremony.2.They are looking for_________methods of making it3.People use __________to run machines, heat and cool their homes.4. The food in the restaurant is cheap, but the choice is rather_______ 5. Fuel supplies are nearly___________releasedalternativeenergylimitedexhausted alternativelimitedenergyreleasedexhausted II. WHILE YOU READTASK 2: Scan the passage and write down the advantage(s) and disadvantage(s) of each alternative source of energy.Sources of energyAdvantage(s)Disadvantage(s)It’s unlimited.It’s clean and unlimited.It’s clean and unlimited.There’s no wind energy when there is no wind.It’s available.It’s available only in a few places.Nuclear powerSolar energyWater powerWind powerGeothermal heatIt can be very dangerous.It’s not only plentiful and infinite but also clean and safe.It’s only possible during the day time.It’s expensive.TASK 3: Answer the questions1. What is our major source of energy ?2. Is our major source of energy limited ? Why / why not ? 3. How many sources of energy are mentioned in the text ? What are they ?4. Which source of energy do you think has the most potential?1. What is our major source of energy ?Our major source of energy comes from fossil fuels.2. Is our major source of energy limited ? Why / why not ? Yes, it is. Because power demand is increasing very rapidly , fossil fuels will be exhausted within a relatively short time .3. How many sources of energy are mentioned in the text ? What are they ?Five sources of energy are mentioned in the text. They are nuclear power, solar energy, water power, wind power, geothermal heat.4. Which source of energy do you think has the most potential?I think solar energy is the most potential.III. POST YOU READWe need energy to live and work. Our major source of (1)_______ is oil. Oil is (2)_____ kind of fossil fuel. The amount of fossil (3)______ in the world is (4)_______ Therefore, we must save it, and at the same time, we must find new sources of energy. Geothermal heat and nuclear power are (5)_________sources of energy. They can give us electricity. Other alternative (6)________are the sun, waves and water. These sources are not only (7)____________and available but also clean and safe for the (8)____________ People should develop and use them more and more in the future.Complete the summary of the reading passage by filling each blank with a suitable word from the box.one	environment	alternative	limited unlimited	sources	energy	fuelsonefuelslimitedalternativesourcesunlimitedenvironment energy HOMEWORKLearn new words by heart. 2.Write the answers into notebooks.3. Prepare Unit 11 . Part B : SPEAKING. Thank you very much for your attendance !Bye bye!See you again !