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.

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

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

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

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