Teacher: You will find an introduction that covers the topic we are about to study through a question that you may use to learn along with your students how much background knowledge you and your students have.
Additionally, you may introduce the contents that are about to be studied in this learning object. Colombia is a privileged country in many aspects, one of them being located in an area with plenty solar energy all year round. You are in constant energetic transfer with your surroundings; sometimes you get energy from the environment and in other occasions the environment receives energy from you. Have you ever wondered why you feel so cold in cities like Bogota, and so hot in places like Barranquilla? And how does world over-population has an effect on global warming? These and other questions may be answered as you dig deeper in the topics covered in this learning unit.