Compare from month to month. Plot high and low temperatures over the course of a year. Talk about the different characters in the book. Your town's growing population. Collect population statistics for your town for as long as they are available.
Students can create graphs to show how the town's population has changed over the decades.
Wants and needs. Invite students to make a list of the things they would want to have to have a good life. Talk about and draw pictures to show how the yard would be different if you just left it as it is. Collect pictures of your town over the years. The products we use.