4. Find the word which has a different sound in the underlined part.
1. A. hydroelectric B. environment C. solar D. biogas
2. A. pleasure B. feed C. heat D. meat
3. A. plentiful B. electric C. renewable D. energy
4. A. few B. knew C. new D. sew
5. A. nuclear B. truck C. abundant D. dump
5. Choose the best one (A, B, C or D) to complete the sentence or replace the underlined word.
1. Nuclear energy is , but it is dangerous.
A. renewable B. non-renewable C. natural resource D. fossil fuel
2. Fossil fuels are very common in our society but they the environment.
A. waste B. pollute C. renew D. provide
3. All the houses in our village will be by solar energy.
A. frozen B. widened C. heated D. heightened
4. Several governments try to the use of fossil fuels.
A. waste B. save C. reduce D. increase
5. _________ energy is produced by collecting sunlight and converting it into electricity.
A. Solar B. Wind C. Hydro D. Nuclear
6. Low energy light bulbs should be used to electricity.
A. convert B. save C. spend D. buy
7. The energy from the _________ is renewable because we can’t use it all up.
A. sun B. gas C. oil D. coal
8. “Why is it called a source?” - “Because it can be replaced easily and quickly.”
A. renewable B. non-renewable C. effective D. specific
9. We must the amount of water our family use every day.
A. lessen B. narrow C. lower D. reduce
10. Wave energy is a source of energy.
A. environmental friendly B. environmentally friendliness
C. environment friendly D. environmentally friendly
11. Hydro power is_________ because dams cannot be built in certain areas.
A. limited B. unlimited C. abundant D. dangerous
12. Fossil fuels are _________energy sources.
A. solar B. renewable C. non- renewable D. wind
13. A non- renewable source of energy can be used to power machinery, but it also _________the environment.
A. cleans B. pollutes C. helps D. protects
14. What should we do to__________ electricity?
A. take B. save C. cut D. waste
15. The wind, the sun, and the wave are some types of sources of energy.
A. cheap B. costly C. changeable D. alternative
16. Once non-renewable energy sources are used_______________they are gone forever.
A. out B. up C. for D. off
17. Many chemicals have a damaging effect ______________effect environment.
A. on B. in C. to D. for
18. Renewable energy is also called”____________energy” because it doesn’t pollute the air.
A. inexhaustible B. available C. clean D. dangerous
19. Using solar panels at home can help_____________your electric bill and your carbon footprint.
A. reduce B. increase C. provide D. convert
20. Wind power is the most promising____________source of energy.
A. non-renewable B. natural C. limited D. alternative
VI. Complete the sentences with the words from the box.
energy protect hydro oil solar renewable panels environment
1. The energy that comes from water is called ______________________ energy.
2. We can use solar ______________________ to power the appliances in our house.
3. Burning coal is polluting our ______________________
4. Scientists are developing new energy sources to ______________________ the environment.
5. We can't run out of ______________________ energy sources.
6. The government is reducing the use of nuclear ______________________ nowadays
7. ____________________ energy comes from the heat of the sun.
8. __________________ commonly known as petroleum, is the largest source of energy in the US.
