The week's investigation at the preschool is about the county fair. On Monday, art activities will focus on drawing cow faces and children will sort eggs. On Tuesday, the class will act out farm animal charades and read a book about the county fair field trip. On Wednesday, activities include making butter from cream and sorting farm animals by their sounds. The class will go on a field trip to the county fair on Thursday morning and have popcorn in the afternoon. Friday activities include a bake-off contest and walking to a nearby farm to get ice cream.