Ex. 3 Answer the questions to Text 3A.

1. Why has electricity dramatically changed our daily life?

2. What does the term electricity mean in Greek?

3. Is electricity one of the most widely used forms of energy?

4. Does electricity generate by-products?

5. Since what time have scientists and inventors worked to decipher the principles of electricity?

6. What are the names of great scientists who transformed electricity from a mere intellectual curiosity into the defined scientific principle?

7. Have individuals become accustomed to use electricity in everyday life?

8. How do we use electricity in everyday life?

9. Are we able to touch electricity?

10. Why should we use electricity wisely?

Ex. 4 Match the words with their synonyms.

1. transform	a. decode
2. become accustomed	b. achievements
3. dramatically	c. change, convert
4. enable	d. get used to
5. accomplishments	e. greatly
6. decipher	f. allow

Ex. 5 Match the two parts of the sentences.

1. Electricity is	a. few people probably stop to think what life would be like without electricity.
2. The customers get electricity from	b. reduces our environmental impact, saves us money on our electricity bill, and keeps our nation’s electricity supply more reliable.
3. Despite its great importance in daily life,	c. the flow of electrical power or charge.
4. Every little single factor on the planet	d. the conversion of other sources of energy, such as coal, natural gas, nuclear, solar, or wind energy.
5. Wise electricity use helps us to become more energy-efficient as a nation,	e. people tend to take electricity for granted.
6. Like air and water,	f. involves electricity.

Ex. 6 Mark the sentences True or False.

1. Electricity became available more than 100 years ago.

2. Electricity was invented as a natural phenomenon.

3. Electricity is the flow of electrical power or charge.

4. Electricity is actually given as a radiation carrier.

5. Electricity can be renewable and nonrenewable.

6. Some notable accomplishments were made by Benjamin Franklin, Thomas Edison, and Nikola Tesla.

7. Scientists and inventors have worked to decipher the principles of heat transfer since the 1600s.

8. Tesla's inventions used electricity to bring indoor lighting to homes and used electricity to power industrial machines.

9. None of our actions involve electricity.

10. Wise electricity use helps us to become more energy-efficient as a nation.

 Ex. 7 Listen to the text “Electricity” and fill in the gaps with the following words.

https://listenaminute.com/e/electricity.html

Environment, inventions, electricity, power, computers.

Electricity

Electricity is one of the most important 1.______ever. It is the thing that powers the Earth. If there was no electricity, we’d be back in the dark ages. Few people stop and think just how amazing electricity is. With the flick of a switch, you can 2.____ almost anything. Think about what would happen if there was no electricity. We’d have no TV, no 3.____, no traffic signals. It would be like going back to living in caves. There are a few negative points about 4.______, of course. Number one, it’s dangerous. Thousands of people die each year from electrocuting themselves or in electrical fires. And number two, it isn’t good for the 5.______. Most electricity comes from burning coal and that creates greenhouse gases.

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