322 Copyright Goodheart-Willcox Co., Inc. Sections 13-1 Nutrients at Work for You 13-2 Making Daily Food Choices 13-3 Nutrition Across the Lifespan 13-4 Balancing Calories and Energy Needs Chapter 13 • Have your family’s eating habits changed in the last few years? If so, describe how. • Create a list of foods that you know are good sources of a specific nutrient. For example, milk is a good source of calcium. As you read the chapter, check the accuracy of your list. Reading Prep • H R R R R R R R Use a spider map to organize the different types of fat- soluble vitamins and their sources. Concept Organizer C O O Click on the activity icon to visit www.g-wlearning. com/comprehensive/8062 to access online vocabulary activities using key terms from the chapter.