... solar energy can be used today 2. Solar energy is cheap , clean Period 44 UNIT 7: SAVING ENERGY Lesson 3: Listen I- Aims and Objectives : By the end of the lesson , Ss will be able to ... with energy energy ? 4. Do you know how we can receive its energy ? 5. Do you know anything about solar energy ? -> Lead in the new lesson . ? 4. Do you know how we can receive its energy ... kind of energy can be used today ? 2. What are the benefits of solar energy ? 3. How can people get solar energy ? Possible answers 1. Coal , gas , oil , nuclear power and solar energy...