Ask a local grocery store if you can bring a class to observe the food items. Inform students that they will have to identify fruits, vegetables, meats, and dairy products. Have students research why foods are healthy. Have students invent a new flavor of ice cream and create an advertisement for it that will persuade people to try it. Analyze the menu from the school cafeteria for a week and see if each meal contains food from each group.
Adults sometimes use various devices to get children to eat.
Write or tell about how someone disguised food or played a game to get you to eat. Perhaps the food was arranged in a particular way to make it fun to eat, i.e. pancakes with Mickey Mouse ears and chocolate chips for a face. Have students cut pictures out of magazines and make a collage of healthy foods. Make a simple recipe in class. Set up centers for groups of four students with directions and ingredients.