The document discusses energy and how it was used in the past compared to today. It prompts the reader to list what they know about energy and what they want to learn. It then asks the reader to define energy and provide 10 everyday ways they use energy. The document discusses how ancestors lived without modern conveniences like light bulbs, cars, and air conditioners. It prompts the reader to think about whether ancestors required energy in their daily activities. The reader is then asked to read a story about life 100 years ago and discuss differences in energy usage between the past and present. Finally, the document prompts the reader to draw an illustration showing the relationship between energy and work and explain their drawing.