The wave energy will be changed into electricity.
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GRADE 7 UNIT 10: SOURCES OF ENERGY I. Choose the correct answer (A, B, C or D). 1. The wind, the sun, and the wave are some types of .................. sources of energy. A. changeable B. alternative C. cheap D. costly 2. Remember to .................. the lights before going to bed. A. turn B. turn on C. turn off ...
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GRADE 7 UNIT 10: SOURCES OF ENERGY
I. Choose the correct answer (A, B, C or D).
1. The wind, the sun, and the wave are some types of .................. sources of energy.
A. changeable B. alternative C. cheap D. costly
2. Remember to .................. the lights before going to bed.
A. turn B. turn on C. turn off D. stop
3. People will reduce energy .................. as much as possible.
A. consume B. consumption C. expense D. expenses
4. Nuclear power is expensive and dangerous .................. our environment.
A. for B. to C. in D. with
5. Human is looking for a clean, cheap and .................. sources of energy.
A. effective B. effect C. effectively D. effectiveness
6. Low energy light bulbs should be used to .................. electricity.
A. spend B. buy C. convert D. save
7. We must .................. the amount of water our family used every day.
A. rise B. reduce C. raise D. narrow
8. At this time next month we .................. to Ha Long Bay for a holiday.
A. will go B. will going C. will be gone D. will be going
9. By the middle of the 21st century, people in developing countries .................. more renewable energy.
A. uses B. will be using C. used D. have
10. Fossil fuels are very common in our society but they .................. the environment.
A. renew B. provide C. waste D. pollute
II. Give the correct form of the word given to complete the sentence.
1. Tidal energy is renewable, ............................ and clean. (plenty)
2. Wind will be used as an ............................ friendly sources of energy. (environment)
3. There are many ways will be used to solve the problem of .................... (pollute)
4. Solar power can be used to ............................ or cool our houses. (hot)
5. ............................, fossil fuels are harmful to the environment. (fortunate)
III. Find and correct the mistake in each sentence.
1. You can save the electricity by turn off the lights when not using them. ...........
A B C D
2. He will clean his house at 9 am tomorrow. ...........
A B C D
3. My sister will be buying a house in the city center next year. ...........
A B C D
4. They will build a five-stars hotel on this street. ...........
A B C D
5. A solution for the environment problem will soon be finding by scientists. ...........
IV. Write the correct form or tense of the verbs in brackets.
1. I’ll call you at 8 o’clock tonight. What ____________(you/do) then?
2. At present, global demand for energy__________(increase) rapidly.
3. Three years ago. we____________(install) a solar water heating system on our roof
4. What _____________(happen) if non-renewable resources run out?
5. A small hydropower plant_________________(build) on the river next year. .
V. Read the following passage, and then tick the correct answers: true (T), or false (F).
Energy is very important in modem life. People use energy to run machines, heat andcool their homes, cook, give light, transport people and products from place to place. Most energy nowadays comes from fossil fuels such as petroleum, coal, and natural gas. However, burning fossil fuels causes pollution. In addition, if we don’t find new kinds of energy, we will use up all the fossil fuels in the 21th century. Scientists are working to find other kinds of energy for the future. What might these sources of energy be?
T F
1. Energy is of great importance in modern life. o o
2. Energy is used to produce a lot of electrical things. o o
3. Burning fossil fuels causes pollution. o o
4. Fossil fuels are limited. o o
5. Everyone tries their best to find other kinds of energy for the future. o o
VI. Complete the second sentence so that it has similar meaning to the first.
1. Solar and wind will replace fossil fuels within 20 years
Fossil fuels…………………………………..
2. This is the first time I have visited Yaly hydroelectric power plant.
I have……………………………………….
3. They built the first hydroelectric power plant in Niagara Falls in 1879.
The first hydroelectric power plant……………………………
4. People will use biogas for fuel in homes and for transport.
Biogas………………………………….
5. We will use less electricity in the future .
Les electricity ……………………………
I, Change the sentences into the passive voice1. We will use less electricity in the future. Less electricity ..................................................................................................................2. The students in my school will use public transport when travelling long distances. Public transport................................................................................................................3. I will turn off the lights when leaving a room or going to...
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I, Change the sentences into the passive voice
1. We will use less electricity in the future.
=> Less electricity ..................................................................................................................
2. The students in my school will use public transport when travelling long distances.
=> Public transport................................................................................................................
3. I will turn off the lights when leaving a room or going to bed.
=> The lights ..........................................................................................................................
4. Wind power will offer a great deal of energy next century.
=>A great deal of energy ..........................................................................................................
5. We will use sources of energy more effectively for our future.
=>Sources of energy ...........................................................................................................
6. People in the countryside will increase the use of biogas for cooking.
=>The use of biogas ...........................................................................................................
III. Choose the best answer from A, B, C or D 1. By the middle of the 21st century, people in developing countries ____ more renewable energy. A. uses B. will be using C. used D. have used 2. The wind, the sun, and the wave are some types of ____________ sources of energy. A. changeable B. alternative C. cheap D. costly 3. Alternative sources of energy ____________ developed in the near future. A. is B. will C. has been D. will be 4. Fossil fuels are very common in our society but they _________...
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III. Choose the best answer from A, B, C or D
1. By the middle of the 21st century, people in developing countries ____ more renewable energy.
A. uses B. will be using C. used D. have used
2. The wind, the sun, and the wave are some types of ____________ sources of energy.
A. changeable B. alternative C. cheap D. costly
3. Alternative sources of energy ____________ developed in the near future.
A. is B. will C. has been D. will be
4. Fossil fuels are very common in our society but they ____________ the environment.
A. renew B. provide C. waste D. pollute
5. “Why is it called a _____________ source?” – “Because it can be replaced easily and quickly.”
A. effective B. specific C. renewable D. non-renewable
6. Hydro power is _____________ because dams cannot be built in certain areas.
A. limited B. unlimited C. abundant D. available
7. At this time next week, we ______________ a wind turbine in our garden.
A. install B. installed C. will installed D. will be installed
8. Biogas is ____________ and cheap for cooking and heating.
A. plenty B. abundant C. serious D. expensive
9. A hydropower station ______________ in the North of the country nex year.
A. was built B. is built C. will be built D. has been built
10. We should put ___________ on our roof for the heating and hot water.
A. solar energy B. equipment C. cracks D. solar panels
11. Remember to ____________ the lights before going to bed.
A. turn B. turn off C. turn on D. stop
12. It is a good idea to use ____________ when travelling long distances.
A. cars B. taxis C. private cars D. public transport
13. What should we do to ____________ electricity?
A. cut B. take C. save D. waste
14. We shout use _____________ light bulbs in our homes.
A. low energy B. little energy C. a bit energy D. efficient
15. In my opinion, nuclear power is not only expensive but also _________ to our environment.
A. danger B. dangerous C. risk D. disaster
16. Someone’s carbon __________ is a measurement of the amount of carbon dioxide that their activities produce.
A. effect B. amount C. footprint D. energy
17. Several governments try to ____________ the use of fossil fuels.
A. reduce B. increase C. waste D. save
18. We are looking for cheap, clean and ____________ sources of energy.
A. effective B. efficient C. serious D. dangerous
19. __________ source of energy is the source that can’t be replaced after use.
A. Renewable B. Natural C. Effective D. Non-renewable
20. Wave energy is a source of ____________energy.
A. environment friendly C. environmentally friendly
B. environmental friendly D. environmentally friendliness
21. Solar power can be ______________ into electricity
A. generated B. converted C. invested D. driven
22. Fossil fuels can be used to _______________ electricity or drive big machinery
A. create B. generate C. convert D. build
23. Last night, I didn’t go to bed early ___________ being very tired.
A. because of B. although C. because D. in spite of
24. ____________ they spent a lot of money on the film, it wasn’t a big success.
A. Nevertheless B. However C. When D. Although
change the sentences into the passive voice1, we will use less slectricity in the futurn less electricity ...............2 the students in my school will use public transport when travelling long distances public transport......................3 I will turn off the lights when leaving a room or going to bed the lights ........................................4 wind power will offer a great deal of energy next century a great deal of energy.....................................5 we will use sou...
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change the sentences into the passive voice
1, we will use less slectricity in the futurn => less electricity ...............
2 the students in my school will use public transport when travelling long distances => public transport......................
3 I will turn off the lights when leaving a room or going to bed => the lights ........................................
4 wind power will offer a great deal of energy next century => a great deal of energy.....................................
5 we will use sources of energy mỏe effectively for our futurn => sources of energy.....................................
1. In spite of the silly story, many people enjoyed the film. (Use 'Although')
- Although.......
2. We will solve the problem of energy shortage by using solar energy. (Change into the passive)
3. What's the distance between New York City and Boston?
How far.....
4. Halloween is held in the USA and other countries in the world. (Make a question for the nderlined part).
..............................
Change these sentences into the passive voice:1. We will use less electricity in the future. Less electricity ..................................2. We will use sources of energy more effectively for our future Sources of energy......................3. People in Britain will spend a lot of money on heating next year. A lot of money ........................4. We will develop alternative sources of energy. Alternative sources of energy.....................
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Change these sentences into the passive voice:
1. We will use less electricity in the future.
=> Less electricity ..................................
2. We will use sources of energy more effectively for our future
=> Sources of energy......................
3. People in Britain will spend a lot of money on heating next year.
=> A lot of money ........................
4. We will develop alternative sources of energy.
=> Alternative sources of energy.....................
I. Change the sentences into the passive voice.
9. Will solar and wind energy use instead of fossil fuels within 20 years
10. People will use biogas for fuel in homes and for transport
IV. Change the sentences into the passive voice.1. Scientists anticipate that people will use up fossil fuels by 2052.à It is anticipated that fossil fuels……………………………………………...2. Solar energy will replace most of fossil fuels in the future.à Most of fossil fuels…………………………………………………………..3. We will minimize the use of electricity to save our energy.à The use of electricity………………………………………………………...4. Human will use the sun as the biggest energy source for the future.à The sun…………………………………………………………………...
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IV. Change the sentences into the passive voice.
1. Scientists anticipate that people will use up fossil fuels by 2052.
à It is anticipated that fossil fuels……………………………………………...
2. Solar energy will replace most of fossil fuels in the future.
à Most of fossil fuels…………………………………………………………..
3. We will minimize the use of electricity to save our energy.
à The use of electricity………………………………………………………...
4. Human will use the sun as the biggest energy source for the future.
à The sun………………………………………………………………………
5. Space-based solar power will allow us to work around these challenges.
à We…………………………………………………………………………...
IV. Change the sentences into the passive voice.1. Scientists anticipate that people will use up fossil fuels by 2052.à It is anticipated that fossil fuels……………………………………………...2. Solar energy will replace most of fossil fuels in the future.à Most of fossil fuels…………………………………………………………..3. We will minimize the use of electricity to save our energy.à The use of electricity………………………………………………………...
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IV. Change the sentences into the passive voice.
1. Scientists anticipate that people will use up fossil fuels by 2052.
à It is anticipated that fossil fuels……………………………………………...
2. Solar energy will replace most of fossil fuels in the future.
à Most of fossil fuels…………………………………………………………..
3. We will minimize the use of electricity to save our energy.
à The use of electricity………………………………………………………...