Caloric Value Lab:

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Caloric Value Lab
Calorimeter
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(No Transcript)
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Samples
Sample Notes
Pork Rind
Cheetos
Popcorn
Rice Cake
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Predictions

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

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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
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Analysis QuestionsComplete 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)

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1. Googles
2. Loose Hair/Clothing secured
3. No running/horseplay
4. Items may be hot