Read and study new words on the topic

4.2.2 Read these international words and guess their meaning.

Add punctuation and capital letters to the text, and then make a list of non-renewable sources of energy.

when you plug an electrical appliance into the wall socket do you know where your electricity comes from probably the local public utility company but how does the utility company generate the electricity you use at home if it is like most power companies it produces electrical power by burning fossil fuels coal natural gas or oil it makes steam which turns turbines to generate electricity at the powerplant in the u s 88 per cent of all the electricity comes from coal natural gas and oil they are non-renewable fuels which according to the estimate of scientists will runout during this century

4.2.4 Replace the underlined words by their synonyms:

come to an end

makes

produce

power station

educated guess

Fill in the gaps with the words from the table.

We hear so much these days of local problems of electricity…….1). Many……2) are taking steps to ……3) their electricity……4). This is as a result of the recent……5) in electricity tariffs for……6). We should all try to……7) less…..8), by insulating our houses, turning off the…..9) when leaving a room and using less hot water.

We must try to develop alternative …….10) of energy. It is known that nuclear power comes from the consumer as electricity, which is convenient form of ……11). Although nuclear…….12) stations are large, they can be built……13) from places where people live.