Calories

What is a calorie? A unit of energy The amount of heat energy required to raise the temperature of 1 g of water by 1°C

Food Calories Food is given caloric value to suggest the amount of potential energy the food has Carbohydrates  4 calories/gram Proteins  4 calories/gram Lipids (fats)  9 calories/gram

Calories are GOOD! Does your body need energy? Does your body need calories? Can your body use more than 100% of the calories it needs?

Energy storage: Plants vs. Animals Plants store extra energy as: Animals store extra energy as: Starch Fats!

More is not always better 3,500 extra calories is stored by your body as 1 pound of fat So, if you gain 10 pounds (of fat) you have eaten 35,000 calories more than your body needs to survive That’s 59 Big Macs!!!!!

Human Fat 5 pounds 1 pound

November BIN Obese people are at a higher risk of developing Type 2 Diabetes Prevent obesity related Type 2 Diabetes by limiting your calorie intake Fewer calories = less fat production = smaller risk of developing Type 2 Diabetes!!!!

Calorie Lab – pg 56 Find serving size and and calories for each label Calories per gram = calories per serving serving size (g) Find calories per 100 grams Multiply by 100

Data Table Food Grams per serving Calories Per gram per 100 grams Cake Soup Cereal Muffins Chicken Stew Pizza

Designing a graph X axis = independent variable Y axis = dependent variable Use units!!!!!

How do you know what kind of graph to use? Line Graph Bar Graph Used to show trends Used to make comparisons

What kind of graph will we make? Calories per 100 grams Type of food