Trường THCS Đại Đồng Thành WELCOME TO CLASS 7A Giáo sinh: Ngô Thị Lụa Sources of energy Renewable sources Non -renewable sources Unit 10: SOURCES OF ENERGY Lesson 2: A closer book I Vocabulary Limited >< unlimited Harmful Exhaustible Convenient Available Abundant Enormous (adj) : hạn chế >< không hạn chế (adj) : có hại (adj) : cạn kiệt (adj) : thuận tiện (adj) : sẵn có (adj) : thừa (adj) : to lớn * Activity 1:Put the words below into the table to describle the types of energy: unlimited limited harmful renewable safe clean cheap non-renewable exhaustible dangerous conveninent polluting available expensive abundant SOURCES OF ENERGY Wind Water/ Hydro Solar energy Biogas Nuclear Coal/oil/natural/gas Advantage(s) Disadvantage(s) SOURCES OF ENERGY Advantage(s) Disadvantage(s) Wind Abundant, unlimited Not available Water/ Hydro Clean and safe Solar renewable, clean and safe Biogas Nuclear Coal/oil/natural/gas renewable, safe, available, clean renewable, clean and safe abundant expensive, not available expensive Harmful, polluting expensive, dangerous Harmful, exhaustible, polluting *Activity 2: Compare with partner: A: I think solar is renewable B : Me too I also think it is clean and safe * Activity 3: Look at the pictures and complete these sentences, using the words in 1.Solar …… energy is renewable, safe Moreover, it is clean and ………… Using coal is polluting, and it is non-renewable …………… Wind power is abundant It is ……… clean and safe also …… Nuclear energy is renewable and clean dangerous expensive But it is … and …… Pronunciation In three syllable words the mark(‘) represents the stressed syllable • Vớirule động từ are: The general • Trọng âm thường rơi vào âm tiết thứ hai âm tiết cuối chứa nguyên âm ngắn kết thúc âm tiêt không phụ âm • Ex: en’counter • de’termine • Trọng âm thường rơi vào âm tiết thứ ba âm tiết chưa nguyên âm dài hoạc nguyên âm đôi tận hai phụ âm trở lên • Ex: en’tertain Corre’spond Với danh từ tính từ Trọng âm rơi vào âm tiết thứ âm tiết thứ nguyên âm ngắn Eg: ‘excellent, ‘difficult, ‘dangerous Trọng âm rơi âm tiết thứ âm tiết thứ nguyên âm dài nguyên âm đôi Âm tiết thứ thứ nguyên âm ngắn Các trường hợp khác: Các từ có tận là: -tion, -sion, -ity, -ety, -ic, -ical, -ous, -ive, -ian, -al trọng âm rơi trước từ Ex:sug’gestion geo’graphic ‘critical • Khi thêm hậu tố sau trọng âm từ khơng thay đổi: -ous, -ful, -ed, -ly • -ment, -ness, Ex: ‘Dangerous ‘Limited *Activity 4: Listen and repeat Which words are stressed on the first syllable and which ones are stressed on the second syllable? Put them in the appropriate columns dangerous eastily abuntdant enormous expensive energy Ooo Example: dangerous limited plentyful convenient oOo Example: expensive * Activity 5: Read the following sentences and mark(’) the stressed syllable in the underlined words Then listen, check and repeat Coal will be replaced by another renewable resource Wind power is convenient and abundant Natural gas is limited and it is harmful to the environment Solar energy is plentiful and it can be replaced easily Nuclear power is expensive and dangerous * Activity 5: Read the following sentences and mark(’) the stressed syllable in the underlined words Then listen, check and repeat Coal will be replaced by a'nother re'newable resource Wind power is con'venient and a'bundant Natural gas is 'limited and it is harmful to the en'vironment Solar energy is'plentiful and it can be replaced 'easily Nuclear power is ex'pensive and 'dangerous Homework Learn by heart vocabulary introduced in the lesson Prepare new lesson : Unit 10 A closer look Do exercise A1,2 (page 29), B1,2 (page 30) workbook ... Biogas Nuclear Coal/oil/natural/gas Advantage(s) Disadvantage(s) SOURCES OF ENERGY Advantage(s) Disadvantage(s) Wind Abundant, unlimited Not available Water/ Hydro Clean and safe Solar renewable,... renewable, clean and safe Biogas Nuclear Coal/oil/natural/gas renewable, safe, available, clean renewable, clean and safe abundant expensive, not available expensive Harmful, polluting expensive, dangerous.. .Sources of energy Renewable sources Non -renewable sources Unit 10 : SOURCES OF ENERGY Lesson 2: A closer book I Vocabulary Limited >< unlimited Harmful Exhaustible Convenient Available Abundant