Copy and complete in your notebook this concept map about energy. In the free boxes in the first and third rows you can write definitions, formulas... When you finish, you can check if you are missing something important by clicking on “feedback” to see a complete map proposal.

Now try to make a concept map by yourself with the most important information from these sections:

• energy sources
• greenhouse effect and climate change
• sustainable development

When you finish, you can see a proposal by clicking on “feedback”.