III. Reading comprehension

1. Answer the Questions

1. Where does most of our energy come from?

2. Are fossil fuels the only source of energy?

3. What are the ways to produce heat and motion?

4. What energy sources are renewable?

5. What energy sources have smaller environmental impacts?

6. What does "conservation of energy" mean?

7. Why should we use less energy?

8. Do you know alternative energy sources?

2. Read the statements and say whether they are true (T) or false (F). Correct the false ones

1. Most of our energy comes from fossil fuels.

2. The supplies of fossil fuels are unlimited.

3. Fossil fuels are the only source of energy.

4. Some energy sources are 'renewable' because they are naturally replenished.

5. 'Conservation of energy' means saving of energy.

6. If we use our fuel sources carefully, they will not last for a long time.

7. Energy can be created and can be destroyed.

8. Nuclear energy brings many dangers.

9. The sun, the wind and the sea are alternative energy sources.

3 . Choose the correct word or word combination

1. Most of our energy comes from....

a) the sun

b) fossil fuels

c) the wind

2. Fossil fuels are not the only source of...

a) heat

b) motion

c) energy

3. Some energy sources are "renewable" because they are naturally ...

a) replenished

b) filled up

c) provided

3. Renewable energy sources have ... environmental impacts than fossil and nuclear fuels.

a) much bigger

b) much smaller

c)much greater

3. Our fossil fuels - coal, gas, oil - are quickly ...

a) passing out of sight

b) appearing

c) disappearing

3. Conservation of energy' can have two ... meanings

a) Identical

b) Different

c) difficult

4. Complete the sentences

1. Most of our energy comes from ………………………………………………..

2. The earth's atmosphere and biosphere may not survive the environmental impact of burning ……………………………………………………………….

3. But fossil fuels are not the only source………………………………………...

4. Burning fuel is not the only way to produce …………………………………..

5. Renewable energy sources have much smaller environmental impacts than……………………………………………………………………………….

6. Our fossil fuels - coal, gas, oil - are quickly………………………………......

7. We must use less energy and find other………………………………………..

8. If we use our fuel sources carefully, they will…………………………………

9. As fossils disappear, we must find…………………………………………......

10. The sun, the wind and the sea are called…………………...…………………

IV. Analyze

1. Match the words with their Russian equivalents

environmental impact	потребление
waste	основное
meaningful	цикл
survive	ископаемое топливо
consumption	экологическое воздействие
primary	снабжение
cycle	терять даром
supply	истощенный
fossil fuels	значительный
depleted	выдержать

2. Give the English equivalents

потребление …………………………………………………………………………...

непредсказуемый ……………………………………………………………………..

первый закон термодинамики ……………………………………………………….

снова наполнять ………………………………………………………………………

разрушать ……………………………………………………………………………..

огромное количество …………………………………………………………………

цикл …………………………………………………………………………………....

выдержать ……………………………………………………………………………..

тратить впустую ………………………………………………………………………

экологическое воздействие …………………………………………………………..

терять даром …………………………………………………………………………..

значительный …………………………………………………………………………

основное …………………………………………………………………………...….

ископаемое топливо ………………………………………………………………….

электроснабжение …………………………………………………………………….

3. Put the words in the correct word order

1. comes / fuels / from / energy / most / our / fossil / of / .

2. the / are / of / vast / fuels / supplies / fossil / .

3. energy / only / the / not / are / fuels / source / of / fossil / .

4. better / us / offers / energy / a / renewable / way / .

5. quickly / disappearing / fuels / are / our / fossil / .

6. energy / less / use / must / other / and / find / energy / we / sources / .

7. different / of / energy / can / meaning / two / conservation / have / .

8. as / we / disappear / fossils / sources / find / other / must / of / energy / .

4. Prove the following statements

1. Fossil fuels are not the only source of energy.

2. Renewable energy sources last forever.

3. We must use less energy and find other energy sources.

4. We should not waste energy.

5. Match the words with their English definitions

survive	the action of using up a resource
vast	a series of events that are regularly repeated in the same order
waste	very large in size, quantity, or extent
consumption	prevention of wasteful use of a resource
enormous	a source of energy that is not depleted by use, such as water, wind, or solar power
cycle	use or expend carelessly, extravagantly, or to no purpose
fossil fuels	having meaning, serious, important, or worthwhile
conservation	continue to live or exist, especially in spite of danger or hardship
renewable	of very great extent or quantity
meaningful	a natural fuel such as coal or gas, formed in the geological past