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READING

ronni avatar
ronni
13 diapositives · 310 Views · Jul 10, 2014

READING. Unit 11: Sources of energy. Warm up. Look at these pictures. Warm up. Use pictures above to complete these sentences: We use ______ to turn turbines. We use ______ to run machine, cars, motorbikes. We use ______ to make electricity. => 1. Wind power 2. oil/ petrol

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  1. READING Unit 11: Sources of energy

  2. Warm up Look at these pictures

  3. Warm up Use pictures above to complete these sentences: • We use ______ to turn turbines. • We use ______ to run machine, cars, motorbikes. • We use ______ to make electricity. => 1. Wind power 2. oil/ petrol 3. coal , wind/ water/sun power

  4. Guided questions • What is our major source of energy ? • Is this major source limited ? Why ? • How many sources of energy are mentioned in the text ? • Which one do you think is the alternative source of energy ?

  5. Vocabularies: - Alternative (adj): that can be used instead of something else: thaythế. Ex: There is a vegetarian alternative on the menu every day. • Reserve (n): supply of something that is kept to be used if it is needed: sựdựtrữ. Ex: $10 million in cash reserves. • Infinite (adj): very great; impossible to measure => syn: boundless: vôtận Ex: An infinite variety of plants .

  6. To exhaust (v): to run out of, to weaken, to empty: làmkiệtquệ => synonym: exhausted Ex: A full day's teaching exhausts me. • Release (v): let sb/sth free: phóngthích Ex: Large amounts of energy are released by the sun everyday. • Limited (adj): not very great in amount or extent: cóhạn. Ex: We are doing our best with the limited resources available.

  7. Task 1: True or False statements     

  8. Work in pairs and read the text silently then answer the guided questions. 1- What is our major source of energy ? 2- Is this major source limited ? Why ? 3- How many sources of energy are mentioned in the text? 4- Which one do you think is the most potential energy of all the alternative sources of energy?

  9. Answers: • Our major source of energy is fossil fuels (oil, coal, natural gas). • Yes, It is limited. Because our demand is increasing very quickly and fossil fuels will be exhausted within a relative short time. • They are fossil fuels, nuclear energy, geothermal heat, solar energy, wind power, water power. • I think solar energy is the most potential energy of all the alternative sources of energy.

  10. Task 2: Table completion unlimited very dangerous plentiful, infinite, clean, safe possible in the day time clean and unlimited expensive clean and unlimited No wind => no energy available Possible

  11. Task 3: Gap - filing Complete the summary of the reading passage by filling each blank with a suitable word. We need energy to live and work. Our major source of energy comes from (1)________. It consists of (2)________, oil and (3)________. These sources are running out so people develop (4)________ sources such as solar energy, (5)________, water power, (6)________, and geothermal (7)________. All of them have advantages and disadvantages.

  12. The advantage of solar energy is that it is not only plentiful and (8)________ but also clean and safe. Geothermal heat and nuclear power are (9)_________ sources of energy. They give us electricity. Besides they are (10)________. Answers: 1. fossil fuels 6. wind energy 2. coal 7. heat 3. natural gas 8. infinite 4. new 9. alternative 5. nuclear energy 10. dangerous

  13. THANK YOU FOR YOUR ATTENTION!