1. Nutrition and Food Labels Do Now: Write down three foods you think are good for you and three foods you think are bad for you.

2. Calories Measure of energy 3 macromolecules that contain Calories: Carbohydrates, Proteins and Fats Recommended Amounts for 13- year olds per day: - Girls: 1600-2200 Calories - Boys: 1800-2400 Calories

3. Carbohydrates Examples: fruit, bread, cakes, sugar, beans One gram = 4 Calories 45-65% of Calories should come from carbohydrates Complex versus Simple Carbohydrates Quickest source of energy Extra energy stored as fat

4. Protein Examples: eggs, milk, meat One gram = 4 Calories 10-15% Daily Calories Made of amino acids- some your body cannot make Normally not used for energy but building and repairing body cells Longer lasting than carbohydrates

5. Fats Examples: Dairy products, oil One gram = 9 calories Less than 30% of Daily Calories Saturated vs. Unsaturated vs. Trans fats Uses: growth, energy, synthesize hormones