Expiration dates are important at home and on some jobs. Stockers at grocery stores and drug stores often sort out expired products as they are facing the shelves. Food safety is also an important life skill. Goals: Look at a date and tell whether it is expired. Compare the current date with a given date and tell how they are related (past or future). Explain how to tell whether food should be thrown away. Lesson: Using the slides provided: -Use our senses to tell whether food has spoiled. How d