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4. Energy (существовать) in various forms but electrical energy is the
most convenient form of energy.
5. The applications such as lighting, heating, cooling have made
electricity most (широко использовать).
6. Electricity (вырабатывать) is often done by a process of converting
mechanical energy to electrical.
Work in pairs. Describe picture to your groupmate using the
following useful language
Here you can see ...
This diagram illustrates ...
on the left is ...
on the left side here ...
in the middle ...
here, at the top ...
down in this section ...
over here is a ...
the upper/lower section ...
Work in pairs and brainstorm:
Is it necessary for engineers to know theory?
What concepts are extremely important in electricity?
Vocabulary Preview
Study the list of the words and check that you understand them. Use
the Internet for help
to repel
to attract
charged particle
external force
continuous movement
value
electromotive force
excess
deficiency
to collide
cross-section
substance
potential difference
Fig.1
