Unit 10 sources of energy

(Bài 1 - Pronunciation trang 77) (Điền khuyết chọn từ danh sách) Find the word which has a different stress. 1. A. energy B. plentiful C. another D. dangerous: [ ___ ] 2. A. easily B. consumption C. government D. negative: [ ___ ] 3. A. syllables B. expensive C. abundant D. convenient: [ ___ ] 4. A. expensive B. advantage C. enormous D. distances: [ ___ ] 5. A. attention B. holiday C. pollution D. effective: [ ___ ]

(Bài 2 - Pronunciation trang 77) (Điền khuyết chọn từ danh sách) Read the following sentences and choose the correct stress mark for the underlined words. 1. Solar energy is renewable and abundant. The stress of “energy” is [ ___ ]. The stress of “abundant” is [ ___ ]. 2. The government is looking for effective sources of energy to replace coal. The stress of “government” is [ ___ ]. The stress of “effective” is [ ___ ]. The stress of “energy” is [ ___ ]. 3. Using coal is polluting the environment. The stress of “polluting” is [ ___ ]. 4. There are three syllables in the word “exercise”. The stress of “syllables” is [ ___ ]. The stress of “exercise” is [ ___ ]. 5. I think nuclear power is not only expensive but also dangerous to our environment. The stress of “expensive” is [ ___ ]. The stress of “dangerous” is [ ___ ]. 6. They are reducing energy consumption as much as possible. The stress of “reducing” is [ ___ ]. The stress of “energy” is [ ___ ]. The stress of “consumption” is [ ___ ]. The stress of “possible” is [ ___ ].

(Bài 1 - Vocabulary & Grammar trang 77) (Kéo thả vào chỗ trống) Complete the sentences with the phrases in the box. 1. We can protect [ ___ ] by reducing our use of coal and gas. 2. The workers are putting [ ___ ] on the roof of my house. 3. We are putting the [ ___ ] in the kitchen tomorrow. 4. She turns off [ ___ ] when not using them. 5. Do they recycle [ ___ ]? 6. They are looking for a [ ___ ] now.

(Bài 2 - Vocabulary & Grammar trang 78) (Điền khuyết nhập từ phím) Do the crossword puzzle and complete the sentences. 1. Solar energy is [ ___ ], and it can be replaced easily. 2. Hydro energy is [ ___ ] because it requires dams. 3. Coal, oil and natural gas are non-renewable energy sources. Burning them is [ ___ ] to the environment. 4. The alternative sources of energy like the sun and wind are not only plentiful but also [ ___ ] and safe to use. 5. Wind energy is convenient and [ ___ ]. 6. Coal is [ ___ ] and it can be replaced by renewable sources. 7. For many people living in rural areas, biogas is a [ ___ ] source of energy. 8. Nuclear energy can provide enough electricity for the world’s needs, but it is [ ___ ].

(Bài 3 - Vocabulary & Grammar trang 78-79) (Điền khuyết chọn từ danh sách) Complete the sentences, using the verbs in brackets in the present continuous. 1. The boys (not do) [ ___ ] their homework at the moment. They (watch) [ ___ ] TV instead. 2. Mai (read) [ ___ ] about renewable energy, and Nam (do) [ ___ ] a project on our local environment. 3. The music (get) [ ___ ] louder and louder. Many people (put) [ ___ ] their hands over their ears. 4. Her mother (not have) [ ___ ] a nap now. She (water) [ ___ ] the plants. 5. My father (install) [ ___ ] a biogas cooker in the kitchen, and the workers (put) [ ___ ] solar panels on the roof of our house.

(Bài 4 - Vocabulary & Grammar trang 79) (Điền khuyết chọn từ danh sách) Make sentences, using the words and phrases below to help you. Choose the correct sentence. 1. The teacher \ give a talk \ renewable energy \ now. (1) [ ___ ]. 2. The workers \ build \ huge hydro power station \ this year. (2) [ ___ ]. 3. The students \ not study Unit 10 \ at the moment. (3) [ ___ ]. 4. Nowadays, people in rural areas \ use energy from the sun. (4) [ ___ ]. 5. The government \ increase taxes on electricity \ save energy. (5) [ ___ ]. 6. We \ reduce the use \ nuclear energy \ nowadays. (6) [ ___ ].

(Bài 5 - Vocabulary & Grammar trang 79) (Điền khuyết chọn từ danh sách) Complete the sentences, using the present simple or present continuous. 1. Lan always (call) [ ___ ] me when I (do) [ ___ ] my homework. 2. The workers (put) [ ___ ] the solar panels on the hill when it suddenly (rain) [ ___ ]. 3. While we (look) [ ___ ] for information about energy sources, the electricity (go) [ ___ ] out. 4. I often (play) [ ___ ] the piano in the evening, but tonight I (watch) [ ___ ] TV. 5. Normally my father (water) [ ___ ] the vegetables in the garden, but today he (cook) [ ___ ] in the kitchen. 6. They (have) [ ___ ] a lot of work to do, so they (not go) [ ___ ] to town tonight. 7. He usually (come) [ ___ ] back home at one o’clock, but today he (work) [ ___ ] late.

(Bài 6 - Vocabulary & Grammar trang 79) (Điền khuyết chọn từ danh sách) Put the verbs in brackets into the present simple or present continuous. My parents work at a big hydro power station. My mother (1. work) [ ___ ] in the design section and my father (2. work) [ ___ ] in the sales section. He often (3. go) [ ___ ] abroad on business. At the moment, he (4. travel) [ ___ ] round America, and next month he (5. meet) [ ___ ] a customer in Canada. He (6. like) [ ___ ] travelling and (7. enjoy) [ ___ ] his present trip, but he always (8. feel) [ ___ ] happy to get back home.

(Bài 1 - Speaking trang 80) (Nối hai cột) Match the questions with the answers. Then say them aloud.

(Bài 2 - Speaking trang 80) (Kéo thả vào chỗ trống) Mi and Tony are talking about energy sources. Choose the sentences (a-e) to fill in the gaps of the conversation. Mi: Hi, Tony. I’m doing a project on energy sources, but I don’t understand what non-renewable sources are. Tony: [ ___ ] Mi: Oh. Where do they come from? Tony: [ ___ ] Mi: What will happen to us when they run out? Tony: [ ___ ] Mi: So what will we do then? Tony: [ ___ ] They are abundant and safe to use. Mi: Oh, I see. What do we call them? Tony: [ ___ ] They are renewable because they cannot run out. Mi: Thank you.

(Bài 3 - Speaking trang 81) (Điền khuyết chọn từ danh sách) Complete the information about renewable and non-renewable sources. 1. Wind is a [ ___ ] source. 2. Solar energy is a [ ___ ] source. 3. Hydro energy is a [ ___ ] source. 4. Coal is a [ ___ ] source. 5. Oil is a [ ___ ] source. 6. Natural gas is a [ ___ ] source. 7. Solar energy is available and [ ___ ] to use. 8. Solar energy doesn’t work on cloudy days or [ ___ ]. 9. Coal is rather [ ___ ] and we can find it in lots of places. 10. When we burn coal, it causes [ ___ ].

(Bài 1 - Reading trang 81-82) (Điền khuyết chọn từ danh sách) Read the passage and choose the best option to complete each sentence. 1. Power stations use fossil fuels like [ ___ ] to produce electricity. 2. Burning fossil fuels produces [ ___ ] which cause global warming. 3. We can use the [ ___ ] to make electricity. 4. The renewable sources can be used again and again because they [ ___ ]. 5. Renewable sources are [ ___ ] harmful to the environment.

(Bài 2 - Reading trang 82) (Điền khuyết chọn từ danh sách) Read the passage and complete the table. Our environment is in trouble. People and industries are polluting the air, rivers, lakes and seas. There are many things you can do to help the environment. Here are a few. Cars: The burning of petroleum is one of the biggest sources of carbon monoxide (CO) that causes global warming. CO thins the ozone layer, which protects us from the sunrays. So try walking, bicycling or using public transportation. Energy: The biggest use of home energy is for heating and cooling homes. It costs a lot of money. So don’t use air-conditioners too often, especially at night. Replace regular light bulbs with low energy light bulbs, which use less energy. Water: Showers use a lot of water. Buying a special “low-flow” shower head or taking shorter showers can cut this use in half. 1. Cars - Problem: The burning of petroleum produces [ ___ ]. 2. Cars - Solution: Try walking, bicycling or using [ ___ ]. 3. Energy - Problem: The biggest use of home energy is for [ ___ ]. 4. Energy - Solution 1: Don’t use [ ___ ] too often. 5. Energy - Solution 2: Replace regular light bulbs with [ ___ ]. 6. Water - Problem: Showers use [ ___ ]. 7. Water - Solution 1: Buy a special [ ___ ] shower head. 8. Water - Solution 2: Take [ ___ ] showers.

(Bài 3 - Reading trang 82-83) (Điền khuyết chọn từ danh sách) Complete the passage with appropriate phrases in the box. We use energy for almost everything we do: for heating our homes, cooking our meals and (1) [ ___ ]. The use of energy is (2) [ ___ ] worldwide. It is responsible for many recent floods, droughts and storms. What should we do to avoid these problems? Firstly, we should (3) [ ___ ] before going to bed or when going out. Secondly, we should use (4) [ ___ ] at home. Thirdly, we should (5) [ ___ ] to school. In conclusion, we should use energy more wisely for our future.

(Bài 1 - Writing trang 83) (Trả lời tự luận) Write the answers to the questions.

1. How much electricity do you use at home in a month?

2. How much do you pay for electricity a month?

3. What kind of electrical appliances do you use at home?

4. Do you turn off the lights before leaving a room?

5. What else can you do to save electricity?

(Bài 2 - Writing trang 83) (Trả lời tự luận) Make advice or suggestions, using the words and phrases below to help you.

1. Governments should do many things \ the problems \ energy shortage and pollution.

2. They should \ encourage people \ use public transportation.

3. They \ increase the tax \ petrol.

4. They should \ reduce the use \ fossil fuels \ coal, natural gas and oil.

5. They \ should use \ renewable energy sources \ the sun, wind and water.

6. They \ look for \ new renewable energy sources \ our future and the future of the planet.

(Bài 3 - Writing trang 83) (Trả lời tự luận)

Write a short passage of 60 - 80 words about what governments should do to solve the problems of energy shortage and pollution. You can use the suggested ideas in Bài 2.