Emphasize the importance of calories (Cal or kilocalories) in measuring energy available in food.
Introduce or review the process of cellular respiration.
Introduce and complete Activity 2 -1: Calories: In a Nutshell.
Assign the Journal Writing on exercise.
Relate energy and calories to students' activities as an introduction to Activity 2-2: Calories: How Much Energy Do You Use?
Discuss the 5 food groups and the food pyramid.
Draw students' attention to the key ideas using means such as posters and overhead transparencies.
Select appropriate Projects and Interdisciplinary Connections, if time permits.
Use the Apply Your Knowledge and Review Questions in reviewing the section.