2. Complete the sentences:

1. There are seven main types of energy including

2. Most types of energy can

3. The energy that comes from the Sun is

4. Radiant energy composes

5. The energy which raises the temperature of matter is called

6. The energy contained in fuels is known as

7. Temperature change of a body may lead to

8. Electrical energy can be obtained from

9. Some generators exploit such natural resources as

10. Kinetic theory explains

11. Changes of state occur when

12. The kinetic energy of the substance is known as

3. Answer the questions:

1. What wouldn’t we exist on Earth without?

2. How does the energy switch from one form to another in a car?

3. When does heat energy occur?

4. What can a change in a body’s level of heat result in?

5. What are the most common methods of producing electricity?

6. What natural resources do the generators use to produce electricity?

7. What is the state of any particular matter determined by?

8. What are atoms?

9. When does the change of a state happen?

4. Translate the text «Renewable energy in Germany» (Additional Reading) and compare this experience with the experience of other countries.