2. Read the words and put down their Russian equivalents:

[I’lektroud] electrode ______________________________

[I’ilektralart] electrolyte ______________________________

[sta:t] to start ______________________________

[‘opereit] to operate ______________________________

[‘aisaleit] to isolate ______________________________

3. Translate into Russian and put down the Russian equivalents. Then translate the Russian equivalents back into English (orally).

1. current capacity resistor _____________________________

temperature voltage output _____________________________

current value _____________________________

2. to start supplying energy _____________________________

to stop operating _____________________________

to start lightening _____________________________

to stop lightening the bulbs ______________________________-

3. to operate wall ______________________________

to operate badly ______________________________

to increase the voltage output ______________________________

to substitute the resistor ______________________________

4. Read and translate into Russian. Mind one:

1. the element has trouble. It operates badly. It should be substituted by a new one.

2. the element with a trouble was substituted with a new one and the cell started operation.

5.Complete the sentences using the correct variant:

1. a cell is used a)to increase the voltage output. b)to reduce the current capacity. c)to supply electric energy.

2. the terminals of a cell are used a) to conduct current .

b) to increase voltage .

c) to connect the battery to a circuit.

Answer the questions

1.What are electric cells used for?

2.What does electric cell consist of?

3.Where can cells be connected?

4.How should cells be substituted?

SIW

Write an essay on theme: “Electric cell”

SIWT

Retell the text

Literature: 1.Orlovskaya I.V.”English”-Moskow-2007

2.Raymond Murphy”Essential Grammar in Use”

3.John Eastwood”Oxford practice grammar

Lesson12

Grammar defining relative clauses

Defining relative clauses with who, which, where

A cook is a person who works in a restaurant. A clock is a thing which tells the time. A post office is a place where you can buy stamps.

-Use relative clauses to explain what a place, thing, or person is or does.

That’s the woman who won the lottery last year.

This the restaurant where we had dinner last week.

- Use who for a person, which for a thing, and where for a place.

Write sentences with who, which, or where.

That/ the dog/ always barks at night

That’s she dog which always barks at night.

1 she/ the woman/ lives next door to me

2 that/ the shop/ I bought my dress

3 he/ the actor/ was in Friends

4 they/ the children/ broke my window

5 they/ the restaurant/ they do great pasta

6 that/ the switch/ controls the central heating

7 he/ the teacher/ teacher my sister

8 that/ the room/ we have our meetings

Grammar test

1. She’s the girl_____works with my brother

a) where b) who c) which d) when

2. It’s a thing______connects two computers

a) which b) where c) who d) when

3. It’s a machine_________ cuts the grass

a) where b) who c) when d) which

4. It’s room_________people try on clothes

a) who b) when c) which d) where

5. They’re people________make you laugh

a) when b) who c)which d) where