Pre-activity description: To introduce students to the concept of heat transfer we will test how quickly temperature of hot water cools off using different cups. By doing this, students can see how heat transfers from the liquid to the cup and to the air.
Main activity: Starbucks produces a lot of waste in paper cups everyday as a result of serving coffee to many customers. They want to reduce this waste. Your task is to design a coffee cup that prevents heat transfer from the cup to the customer’s hand, while also being environmentally friendly.