1. Вставьте пропущенные слова и выражения: 1. A battery is a source of ... .
2. Battery cells are manufactured in ... .
3. The voltaic cell is composed of ... .
4. Dissimilar metal plates ... .
5. A dilute acid solution ... .
6. If an ammeter is connected ... .
7. The positive electrode is
8. The negative electrode is ... .
9. ... are good conductors.
10. ... are called electrical insulators.
11. Cells connected together form
12. Series connection means ... .

2. Подберите существительные к глаголам:
to be composed of wires
to produce plates
to connect electricity
to conduct acid solution
to contain batteries
to consist of an electrolyte, electrodes
to surround dry cells
to manufacture

1. A battery is a source of electrical energy.
2. Battery cells are manufactured in factories.
3. The voltaic cell is composed of an electrolyte and electrodes.
4. Dissimilar metal plates produce electrical potential.
5. A dilute acid solution conducts electricity.
6. If an ammeter is connected in series, it measures the current.
7. The positive electrode is called the anode.
8. The negative electrode is called the cathode.
9. Metals are good conductors.
10. Plastics are called electrical insulators.
11. Cells connected together form a battery pack.
12. Series connection means that the positive terminal of one cell is connected to the negative terminal of the next cell.

2. Подберите существительные к глаголам:
- wires
- plates
- electricity
- acid solution
- batteries
- an electrolyte, electrodes
- dry cells
- manufacture