1. Caloric Value Lab:
Calorimeter

3. Samples:
Sample
Notes
Pork Rind
Cheetos
Popcorn
Rice Cake

4. Predictions:
Which food do you think will have the highest calorie/gram value?
Why
Which food do you think will burn the longest? (Assuming each sample is approximately the same size)

5. Pork Rind
Cheetos
Popcorn
Rice Cake
Beginning mass of food Sample
Final Mass of Food Sample (ashes/unburned food)
Mass of food burned
(Beg-Final Mass)
Beginning Water Temp
Highest Water Temp
Water Temp Change
Mass of water used
(1mL = 1g)
Total Calories
(water mass in g x temp change in oC)
Total Kilocalories
(Calories/1000)
Kilocalories per gram
(total kcal/mass of food burned)
Time Sample Burned

6. Analysis Questions: Complete in fully developed sentences
Compare the results of the samples. Suggest why different foods may produce different results. Feel free to view the nutrition panels. (3pts)
What happened to the heat that was not “captured” by the water? (2pts)
Which sample burned the longest? Did this agree with your prediction? (3 pts)
Explain the relationship (if there is one) between the length the sample burns and its energy value (2pts)
Compare and contrast burning the samples in the calorimeter to how your body “burns” energy (3pts)

7. Googles
Loose Hair/Clothing secured
No running/horseplay
Items may be hot