1. Calories

2. 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

3. 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

5. 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?

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

7. 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!!!!!

8. Human Fat
5 pounds
1 pound

9. 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!!!!

10. 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

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

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

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

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