How do young learners figure out how to balance their energy in and their energy out? The main thing to understand is calories. How many calories are in foods and beverages consumed and how many calories are burned off by physical activity? Just as different foods have different calories, different types of activities burn off different amounts of calories. It's a complicated process. Use these activities to help the class learn how to decipher information on nutrition fact labels. Then take a look at calories used by engaging in physical activities. Does everything balance out?