At the start of this module you were asked to write down your thoughts about the question: 'What is energy?'

You can have another look at your answers now.

Discuss the following questions:

1. What is energy?
2. What are the main forms of energy?
3. What is meant by the term 'energy transformation'?
4. Describe some 'energy transformations' that are very useful, and indicate where they are used.
5. Describe some energy transformations that are environmentally friendly, and some that are not environmentally friendly.
6. Describe some energy transformations that help conserve our energy resources.

Go back to the 'Questions to think about' at the beginning of this module and decide whether you want to change or add to your answers to these questions.